Startup Diligence
Diligence report Industrials; electric-vehicle fast-charging batteries, battery systems, charging solutions, and energy storage Private unicorn; CB Insights tracker valuation $1.26B; CB profile Stage Series A | Alive; May 2026 B-round news reported

Greater Bay Technology

Greater Bay Technology Public-Source Startup Diligence Report

The public case rests on XFC battery performance claims, GAC ecosystem commercialization, strategic investors, a $1.26B CB tracker valuation, and patent filings. Diligence should prove repeatable non-GAC revenue, pack safety/reliability, manufacturing economics, current financing terms, and PRC legal/EHS/IP cleanliness.

Company profile

Greater Bay Technology Public-Source Startup Diligence Report

Eligible for a public-source diligence report: CB Insights lists Greater Bay Technology as a $1.26B private unicorn, CB profile says Alive, and May 2026 Chinese financing news indicates ongoing private B-round activity. The company is a GAC-incubated Guangzhou EV fast-charging battery company with visible GAC/AION commercialization and patent activity, but financials, customer concentration, cap table, technical validation, and legal/regulatory checks require private diligence.

Website
eng.gbtrnd.com
Sector
Industrials; electric-vehicle fast-charging batteries, battery systems, charging solutions, and energy storage
Geography
China; Guangzhou, Guangdong headquarters with EV/OEM exposure
Stage
Private unicorn; CB Insights tracker valuation $1.26B; CB profile Stage Series A | Alive; May 2026 B-round news reported
Known aliases
Guangzhou Greater Bay Technology Co., Ltd., 广州巨湾技研有限公司, 巨湾技研, GBT, gbtrnd.com
Report version
1.0
Timezone
UTC

Executive summary

Strengths

  • CB Insights tracker verifies a $1.26B unicorn row for Greater Bay Technology.
  • Public sources support XFC batteries, charging solutions, and energy-storage focus.
  • Public article identifies GAC AION V Plus commercialization examples.

Risks

  • No public audited financials, revenue concentration, margins, backlog, AR aging, warranty reserves, or runway.
  • Visible commercialization is GAC/AION-centered; non-GAC customer revenue is not public.
  • Fast-charge and Phoenix claims lack public independent test, field reliability, yield, and warranty validation.

Gaps

  • Audited financials, current cap table, B-round documents, debt and off-balance-sheet liabilities.
  • Top customer/supplier schedules, OEM contracts, revenue concentration, volumes, warranty claims, and references.
  • Independent technical test reports, production yield, field failure rates, product safety certifications, and warranty reserves.
  • PRC registry/court/administrative/EHS searches and company legal schedule.
  • IP assignments, licenses, liens, FTO analysis, and management/HR materials.

Recommended next steps

  • Proceed only as a public-source screen until data-room and PRC counsel materials are obtained.
  • Prioritize financial, cap-table, customer concentration, and technical-validation workstreams before valuation reliance.
  • Run local PRC legal/registry/EHS/product-safety searches and patent counsel review.
  • Conduct GAC/AION and non-GAC OEM customer reference checks plus supplier quality reviews.

Risk register

high high likelihood

R-001: Financial opacity and inability to underwrite revenue quality

Audited financials, revenue by customer/product/channel, backlog, AR aging, margin, warranty reserves, and cash runway are not public.

Diligence request: Require audited financials, monthly accounts, revenue/gross-margin schedules, cash runway, backlog, AR aging, and warranty reserves.

high medium likelihood

R-002: Customer and ecosystem concentration around GAC/AION

Publicly named commercialization evidence is concentrated in GAC AION examples and GAC incubation; non-GAC OEMs are unnamed and revenue concentration is not public.

Diligence request: Request customer revenue schedule, OEM contracts, volumes by model, non-GAC customer references, and GAC agreement terms.

high medium likelihood

R-003: Technical performance and manufacturability not independently validated publicly

Fast charging and Phoenix claims require independent validation and production-yield evidence.

Diligence request: Commission technical diligence on lab tests, cycle life, low-temperature charging, safety, yield, warranty claims, and OEM acceptance.

high medium likelihood

R-005: Financing, valuation, and cap-table opacity

CB shows Series A/$157.15M total raised, while Sina reports a newer B round with undisclosed amount; ownership, rights, debt, valuation, and dilution are not public.

Diligence request: Request current fully diluted cap table, B-round documents, investor rights, debt schedules, and valuation support.

high unknown likelihood

R-006: Legal, regulatory, EHS, and IP ownership gaps

Patent filings are public, but registry/court/admin-penalty access was limited; IP assignments, licenses, FTO, EHS permits, litigation, and regulatory matters are not publicly verified.

Diligence request: Engage PRC counsel and require legal/IP schedules, assignments, licenses, FTO analysis, and product-safety certifications.

high unknown likelihood

R-007: Battery safety, warranty, and product liability exposure

High-power fast charging and storage products can create safety, thermal, warranty, recall, and product-liability exposure; claims history/insurance are not public.

Diligence request: Request safety certifications, abuse/thermal tests, field failure and warranty data, recalls, EHS permits, insurance, and indemnity terms.

medium high likelihood

R-004: Fast-charging battery competition and pricing pressure

CB identifies fast-charging competitors; without pricing/cost data, defensibility and margins are unclear.

Diligence request: Obtain win/loss data, competitor benchmarks, pricing history, cost curves, and OEM qualification comparisons.

medium high likelihood

R-008: Public-source access limitations impede verification

Official pages, Chinese registry/commercial databases, and Crunchbase were blocked, timed out, geoblocked, or incomplete.

Diligence request: Repeat source collection with local PRC access, official materials, management interviews, and registry exports.

Chapter 01

01Financial Information

Public sources verify unicorn/funding/investor signals but not financial statements, forecasts, cap table, tax, revenue, backlog, or unit economics.

I.A Annual and quarterly financial information for the past three years

not publicly verifiable confidence: high

Accessible public sources do not disclose audited financial statements, management reports, sales/gross-profit breakdowns, backlog, or AR aging.

Evidence gaps

  • Audited financials, management accounts, revenue/margin by product/customer/channel, backlog, AR aging.

Hidden risks

  • Financial quality cannot be assessed from public disclosures.

Follow-up questions

  • Provide 2023-2026 audited and monthly financials plus revenue, gross margin, backlog, and AR schedules.
Public financial and unit-economic signal ledger
itempublic evidenceverification statusdiligence request
Audited statements and footnotesNot in accessible sourcesnot_publicly_verifiableAudited statements and trial balances for 2023-2025.
Revenue / gross margin by product and customerProducts and deployments described, no revenue amountsnot_publicly_verifiableRevenue/margin by SKU, customer, channel, geography.
Backlog / pipeline / AR agingNo public schedulesnot_publicly_verifiableBacklog, signed pipeline, AR aging, deferred revenue.

I.B Financial Projections

not publicly verifiable confidence: medium

Public evidence supports product/funding growth signals but does not provide forecast assumptions, capex, working capital, or financing plans.

Evidence gaps

  • Three-year integrated model and downside scenarios.

Hidden risks

  • Financial quality cannot be assessed from public disclosures.
  • Technical claims require independent validation.
  • Financing and cap-table terms are opaque.

Follow-up questions

  • Provide quarterly forecast with price, volume, yield, warranty, capex, working-capital, and financing assumptions.
Public funding and valuation history
itempublic evidenceverification statusdiligence request
2022-04-02 CB unicorn entry$1.26B valuation; China/Guangzhou; Industrials; selected investors Tencent, Utrust, GF XindeverifiedConfirm current valuation and terms with round documents.
CB company profile Series A / total raisedStage Series A | Alive; total raised $157.15M; founded 2020; Guangzhou HQverifiedReconcile profile with newer B-round news.
May 2026 B roundSina reports B round with Runxin Micro and Skyworth; amount undisclosedpartially_verifiedObtain B-round documents, valuation, security type, dilution, and use of proceeds.
Public valuation and financing visibility chart Chart of public valuation/financing anchors and undisclosed gaps.

Null bar is intentional.

I.C Capital Structure

partially verified confidence: medium

CB and Sina identify selected investors and financing events, but ownership percentages, options/warrants, notes, debt, rights, and B-round terms are not public.

Evidence gaps

  • Fully diluted cap table, option plan, warrants/notes/debt, investor rights.

Hidden risks

  • Financing and cap-table terms are opaque.

Follow-up questions

  • Provide shareholder registry, cap table, B-round documents, and debt/off-balance-sheet schedules.
Capital structure and ownership snapshot
itempublic evidenceverification statusdiligence request
Tencent / Utrust / GF XindeNamed in CB unicorn row/profileverifiedOwnership %, rights, liquidation preferences.
BOC & UTRUST / GF Qianhe / Nanyue FundNamed in CB profileverifiedExact entities, securities, governance rights.
Runxin Micro Technology / Skyworth GroupReported B-round investorspartially_verifiedB-round amount, valuation, side letters, commercial rights.
GAC ecosystemSina reports GAC incubation and GAC/AION deploymentsverified as contextEquity stake, board rights, related-party agreements.
Options, warrants, notes, debtNot publicnot_publicly_verifiableFully diluted cap table and all debt/off-balance-sheet schedules.
Company financing and commercialization timeline Timeline of public company, financing, and commercialization events.

I.D Other financial information

partially verified confidence: medium

Public financing history is partly visible, while tax positions, revenue-recognition policies, and equity/debt financing terms are private.

Evidence gaps

  • Tax filings, revenue-recognition memo, complete financing history.

Hidden risks

  • Financial quality cannot be assessed from public disclosures.
  • Financing and cap-table terms are opaque.

Follow-up questions

  • Provide tax positions, revenue-recognition policies, and round-by-round financing documents.
Chapter 02

02Products

GBT is positioned around XFC batteries, charging solutions, energy storage, and Phoenix battery claims; technical validation and economics remain gaps.

II.A Description of each product

partially verified confidence: medium

GBT is publicly positioned around XFC batteries, charging solutions, energy storage, and Phoenix battery claims; economics and independent validation are private.

Evidence gaps

  • SKU datasheets, cost, warranty, field reliability, independent product tests.

Hidden risks

  • Technical claims require independent validation.
  • Battery safety, warranty, and product-liability risks are not public.

Follow-up questions

  • Provide product roadmap, datasheets, qualification status by OEM/model, ASP/margin by SKU, and independent performance reports.
Product / SKU matrix
itempublic evidenceverification statusdiligence request
XFC extreme-fast-charging power batteriesCB and Sina describe XFC battery focusverified as product categoryDatasheets, qualification records, cost, warranty, field performance.
15Min / super-fast batterySina cites GAC AION V Plus September 2021 salepartially_verifiedVolumes, revenue, pack specs, warranty data.
7Min / extreme-fast batterySina reports 0-80% as fast as 7.5 minutes and AION V Plus 70 examplepartially_verifiedIndependent tests, cycle life, safety, field failures.
Phoenix batterySina describes June 2023 Phoenix battery launch and claimspartially_verifiedLab reports, OEM validation, roadmap, BOM, cost curve.
Energy-storage systemsSina cites next-generation storage devices/systemsverified as public categoryCustomers, certifications, revenue model, safety record.
Pricing and product-economics request table
itempublic evidenceverification statusdiligence request
OEM pack ASP / kWh priceNot publicnot_publicly_verifiableASP by OEM, SKU, chemistry, contract, and period.
BOM, COGS, yield, scrapNot publicnot_publicly_verifiableBOM, material cost, yield, labor, energy, depreciation, logistics.
Warranty / field failure economicsNot public despite performance claimsnot_publicly_verifiableWarranty terms, claims history, field failure rates, recall reserves.
XFC product/dependency architecture High-level public product architecture inferred from source descriptions.
Chapter 03

03Customer Information

GAC/AION commercialization is visible, but customer revenue, non-GAC customer identities, supplier concentration, and severed relationships are not public.

III.A Top customers by application

partially verified confidence: medium

GAC AION V Plus deployments are publicly named, but top customers, purchases, revenue, and non-GAC customer identities are not public.

Evidence gaps

  • Top-15 customer schedule, volumes, contract terms, revenue concentration.

Hidden risks

  • Visible commercialization is GAC/AION-centered.

Follow-up questions

  • Provide top-15 customer schedule, OEM contracts, volumes, revenue, warranty claims, and reference contacts.
Publicly known customers and applications
itempublic evidenceverification statusdiligence request
GAC AION V PlusReported 15Min battery mass-market sale in September 2021partially_verifiedContract, volumes, revenue, warranty, program status.
GAC AION V Plus 70 extreme-fast-charge versionReported Chengdu Auto Show launch/listing August 26, 2022partially_verifiedSOP, pack specs, volumes, warranty.
Multiple other automakers/modelsSina says applications exist but names not providedpartially_verifiedCustomer names, contracts, volumes, revenue, references.
Energy-storage customersProduct category public; customers not publicnot_publicly_verifiableStorage customers, certifications, pipeline, safety data.
Public customer/application concentration chart Bar chart of named public deployment evidence, not revenue concentration.

III.B Strategic relationships

partially verified confidence: medium

GAC incubation, GAC/AION deployments, and financial/strategic investors are public, while exclusivity, governance, and revenue contribution are private.

Evidence gaps

  • Strategic agreements, exclusivity, related-party pricing, investor rights.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Financing and cap-table terms are opaque.

Follow-up questions

  • Provide partnership, shareholder, and joint-development agreements with revenue contribution by relationship.
Strategic relationships and partnerships
itempublic evidenceverification statusdiligence request
GAC Group ecosystemGAC incubation and GAC/AION examplesverified as contextOwnership, governance, exclusivity, related-party pricing.
Tencent / GF / BOC & UTRUST / Nanyue investorsCB investor listverifiedInvestor rights and conflicts.
Runxin Micro / SkyworthReported B-round participantspartially_verifiedStrategic side letters, valuation, board rights.
WRCA certification contextSina cites fastest EV charging technology recordpartially_verifiedCertificate, test protocol, marketing rights.

III.C Revenue by customer

not publicly verifiable confidence: high

Revenue by customer, including any customer above 5% of revenue, is not public.

Evidence gaps

  • Customer revenue by fiscal year/YTD, AR, backlog, gross margin, warranty exposure.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Financial quality cannot be assessed from public disclosures.

Follow-up questions

  • Provide customer-level revenue, gross margin, backlog, AR, deferred revenue, and warranty schedules.

III.D Significant relationships severed within the last two years

not publicly verifiable confidence: high

No public schedule of severed customer, partner, or supplier relationships was available.

Evidence gaps

  • Lost/non-renewed OEM, supplier, manufacturing, and strategic relationships.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Legal/regulatory/IP/EHS searches are incomplete.

Follow-up questions

  • Provide a schedule of severed or materially amended relationships with reasons and financial impact.

III.E Top suppliers

not publicly verifiable confidence: high

Supplier concentration, purchase amounts, and supplier agreements were not public; materials, equipment, and vehicle-integration dependencies require private review.

Evidence gaps

  • Top suppliers by spend and critical material/equipment dependencies.

Hidden risks

  • Battery safety, warranty, and product-liability risks are not public.
  • Legal/regulatory/IP/EHS searches are incomplete.

Follow-up questions

  • Provide top-supplier schedule, contracts, alternate-source plan, quality metrics, and compliance documentation.
Supplier and operating-dependency diligence table
itempublic evidenceverification statusdiligence request
Battery materials / electrochemistryPhoenix claims cite materials and electrochemistry; suppliers unnamednot_publicly_verifiableTop material suppliers, contracts, alternates, price escalators.
Manufacturing equipment / process yieldProduction focus reported; plant/equipment/yield details not publicnot_publicly_verifiableFactory list, capacity, yields, capex, bottlenecks.
OEM integration / qualificationGAC AION examples public; criteria privatepartially_verifiedOEM PPAP/APQP, SOP dates, change-control obligations.
Chapter 04

04Competition

CB identifies fast-charging competitors; GBT must prove cost, scale, OEM qualification, safety, and IP defensibility.

IV.A Competitive landscape by market segment

partially verified confidence: medium

CB identifies fast-charging competitors; GBT must prove scale, cost, OEM qualification, safety, and IP defensibility.

Evidence gaps

  • Independent market-share, pricing, benchmark, win/loss, and cost-curve data.

Hidden risks

  • Fast-charging battery competition may pressure pricing/margins.
  • Technical claims require independent validation.

Follow-up questions

  • Provide competitor win/loss analysis, benchmark tests, market-share assumptions, and pricing/margin sensitivity.
Competitor comparison matrix
itempublic evidenceverification statusdiligence request
Greater Bay TechnologyXFC focus; GAC/AION examples; Phoenix claims; patentspartially_verifiedBenchmark test and market-share data.
StoreDotNamed CB competitorverified as CB-named competitorBenchmark against StoreDot data and OEM wins.
EbullCB describes fast-charging technology/changers for batteriesverified as CB-described competitorBenchmark segment overlap, scale, OEM traction.
Other CB-listed competitorsCB says StoreDot and four more; excerpt incompletepartially_verifiedComplete competitive market map and source-verified profiles.
Basis of competition scoring
itempublic evidenceverification statusdiligence request
Charging speedReported 0-80% in 7.5 minutes and WRCA recordpartially_verifiedIndependent tests across SOC, temperature, charger power, cycles.
OEM qualificationGAC AION examples; other OEMs unnamedpartially_verifiedSigned contracts, SOPs, volumes, customer references.
Cost and safety/lifePhoenix claims advantages; no cost/warranty datainconclusiveCosted BOM, safety tests, cycle-life data, warranty reserves.
IP defensibilitySix public patent/application recordsverified as filingsAssignments, claims scope, FTO, licenses.
Fast-charging competitive positioning map Qualitative market map based on CB competitor evidence and GBT public claims.

Positioning values are analyst judgments, not market-share estimates.

Chapter 05

05Marketing, Sales, and Distribution

The apparent GTM is OEM/B2B and GAC ecosystem-led; pipeline, productivity, budgets, and channel economics are private.

V.A Strategy and implementation

partially verified confidence: medium

Public GTM evidence is primarily B2B/OEM and GAC ecosystem-led; distribution channels, budgets, and international strategy are private.

Evidence gaps

  • Domestic/international GTM plan, marketing budget, channel agreements.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Fast-charging battery competition may pressure pricing/margins.

Follow-up questions

  • Provide GTM plan, channel agreements, marketing spend, lead pipeline, and expansion assumptions.
Distribution channels and GTM motions
itempublic evidenceverification statusdiligence request
OEM / vehicle-program supplyCB says EV manufacturers; Sina cites GAC AION and multiple automakerspartially_verifiedPipeline, contracts, SOP, revenue by OEM.
GAC ecosystem pull-throughGAC incubated background and AION examplesverified as contextRelated-party terms and exclusivity.
Strategic investor networkNamed investors and B-round participantspartially_verifiedCommercial side letters and introductions.
Energy storageProduct category public; channel/customers not publicnot_publicly_verifiableCustomer pipeline, certifications, partners.
Public marketing-signal summary
itempublic evidenceverification statusdiligence request
WRCA recordReported fastest EV charging technology recordpartially_verifiedCertificate and test protocol.
AION V Plus launches15Min and 7Min examplespartially_verifiedVolumes and customer acceptance.
Phoenix battery announcementJune 2023 Phoenix claimspartially_verifiedIndependent lab/OEM validation.
B-round newsRunxin Micro and Skyworth; amount undisclosedpartially_verifiedConfirm valuation, amount, strategic terms.
Public GTM channel signal chart Qualitative evidence-strength chart for GTM channels.

Not revenue weighted.

V.B Major Customers

not publicly verifiable confidence: high

Major customer status, future growth, and pipeline analysis are not public beyond GAC/AION examples and unnamed multiple automakers.

Evidence gaps

  • Signed vs forecast pipeline, SOP dates, major-customer growth prospects.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Financial quality cannot be assessed from public disclosures.

Follow-up questions

  • Provide customer pipeline and major-customer status report with contracts, SOP dates, volumes, and probability weighting.

V.C Principal avenues for generating new business

partially verified confidence: medium

Likely new-business avenues are OEM program wins, GAC ecosystem pull-through, investor networks, and energy-storage applications; pipeline conversion is not public.

Evidence gaps

  • Sales pipeline, conversion rates, sales cycle, and lost-deal reasons.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Fast-charging battery competition may pressure pricing/margins.

Follow-up questions

  • Provide pipeline report by stage, channel, customer, expected SOP/revenue, and win probability.

V.D Sales force productivity model

not publicly verifiable confidence: high

Sales compensation, quotas, sales cycle, conversion, and new-hire plan are not public.

Evidence gaps

  • Sales roster, quotas, compensation, conversion, bookings, sales cycle.

Hidden risks

  • Financial quality cannot be assessed from public disclosures.

Follow-up questions

  • Provide sales compensation plan, quotas, funnel conversion, cycle time, bookings, backlog, and sales hiring plan.

V.E Ability to implement marketing plan with current and projected budgets

not publicly verifiable confidence: high

Marketing/sales budgets, burn, runway, and implementation capacity are not public.

Evidence gaps

  • Budget-to-plan bridge, runway, GTM staffing, use of B-round proceeds.

Hidden risks

  • Financing and cap-table terms are opaque.
  • Financial quality cannot be assessed from public disclosures.

Follow-up questions

  • Provide budget-to-plan bridge, runway forecast, marketing/sales hiring plan, and capital allocation.
Chapter 06

06Research and Development

Patent records and Phoenix/product announcements show active R&D; budget, team, validation, and manufacturability are unresolved.

VI.A Description of R&D organization

partially verified confidence: medium

Patent records and product claims show R&D in controls, power battery systems, thermal management, materials, and electrodes; org/budget/team are private.

Evidence gaps

  • R&D org chart, budget, key personnel, lab/factory capabilities, invention assignments.

Hidden risks

  • Technical claims require independent validation.
  • Legal/regulatory/IP/EHS searches are incomplete.

Follow-up questions

  • Provide R&D org chart, budget, hiring plan, lab capability list, invention assignments, and roadmap governance.
Public R&D personnel and inventor signals
itempublic evidenceverification statusdiligence request
Xiangdong Huang / 黄向东Inventor in patent resultsverified as inventorCurrent role, employment, invention assignment.
Hu Fusheng / 胡福胜Inventor on WO2025236616A1verified as inventorEmployment and assignment confirmation.
Cao Zhimin / 曹智敏Inventor on WO2025036171A1verified as inventorEmployment and assignment confirmation.
Li Yikun / 李毅崑; Hou Lintao / 侯林涛Inventors on WO2025036172A1 and WO2025241461A1verified as inventorsEmployment and assignment confirmation.

Inventor list is not a management roster.

Public patent publication trend Chart of patent/application publication counts from Google Patents query.

VI.B New Product Pipeline

partially verified confidence: medium

Phoenix battery and recent patent publications indicate a pipeline, but development cost, timing, readiness, manufacturability, and risks are not public.

Evidence gaps

  • Pipeline roadmap, development cost, TRL/MRL, OEM SOP dates, validation gates.

Hidden risks

  • Technical claims require independent validation.
  • Battery safety, warranty, and product-liability risks are not public.

Follow-up questions

  • Provide pipeline roadmap, TRL/MRL status, capex/development budget, validation reports, and risk register by program.
Public product and research pipeline
itempublic evidenceverification statusdiligence request
Phoenix batteryReported launch June 2023partially_verifiedValidation, production readiness, OEM contracts.
Charging control patent/applicationWO2025236616A1 published 2025-11-20verified as filingClaims scope, assignment, product mapping.
Power battery control/system applicationsWO2025036171A1 and WO2025036172A1 published 2025-02-20verified as filingsFTO and OEM integration relevance.
Thermal/material/electrode applicationsUS20240010567A1; WO2024251007A1; WO2025241461A1verified as filingsManufacturability, safety, claims scope, FTO.
Chapter 07

07Management and Personnel

GAC incubation and Guangzhou headquarters are public; org chart, management bios, headcount, comp, equity, employee issues, and turnover are largely not public.

VII.A Organization Chart

not publicly verifiable confidence: medium

Public sources verify GAC incubation and Guangzhou headquarters, but current organization chart and reporting lines are not public.

Evidence gaps

  • Current org chart, legal entities, board composition, decision rights.

Hidden risks

  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide current organization chart, board/advisor roster, legal entity chart, and reporting lines.
Senior management and governance roster request
itempublic evidenceverification statusdiligence request
GAC Group ecosystemGAC incubation reportedverified as contextOwnership, board seats, reserved matters.
Patent inventorsInventors visible in Google Patentsverified as inventor signalsRoles, biographies, employment, assignments.
CEO/CFO/CTO/COO and boardNot found in accessible sourcesnot_publicly_verifiableBios, tenure, agreements, board minutes, background checks.
Public organization signal chart Illustrative org chart separating verified public context from private org-chart gaps.

Not a verified reporting-line chart.

VII.B Historical and projected headcount by function and location

not publicly verifiable confidence: high

Historical/projected headcount by function/location is not public; sources only support Guangzhou headquarters and R&D/patent activity.

Evidence gaps

  • Headcount history and hiring plan by function/location.

Hidden risks

  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide monthly headcount history, open roles, attrition, contractor count, and projected hiring.
Headcount, hiring, turnover, and compensation signals
itempublic evidenceverification statusdiligence request
HeadquartersCB says Guangzhou, Guangdong HQverifiedSites, leases, legal entities, workforce by site.
Total headcount by function/locationNot publicnot_publicly_verifiableMonthly history, open roles, contractors, hiring plan.
R&D depthPatent inventors indicate R&D activity but not staffing depthpartially_verifiedR&D org chart, retention, lab capability.
Turnover / compensation / equityNot publicnot_publicly_verifiableTurnover, disputes, compensation, option plans, grants.
Headcount public anchor chart Chart showing that public headcount anchors are unavailable.

Null values are intentional.

VII.C Senior management biographies

inconclusive confidence: low

Senior management biographies were not available in accessible sources; patent records identify inventors but not current executive roles.

Evidence gaps

  • CEO/CFO/CTO/COO bios, tenure, board roles, background checks.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide senior management biographies, employment histories, board/advisor roles, and background-check authorizations.

VII.D Compensation arrangements

not publicly verifiable confidence: high

Employment agreements, executive compensation, benefits, and related-party arrangements are not public.

Evidence gaps

  • Employment agreements, compensation, benefits, severance, invention assignments.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide executive employment agreements, compensation summary, benefit plan documents, invention assignments, and related-party schedule.

VII.E Incentive stock plans

not publicly verifiable confidence: high

Employee incentive stock plan, option pool size, vesting, exercise prices, and dilution are not public.

Evidence gaps

  • Equity incentive plan, grants, vesting, exercise prices, repurchase rights.

Hidden risks

  • Financing and cap-table terms are opaque.
  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide stock incentive plan, grant ledger, vesting schedules, exercise prices, tax memos, and board approvals.

VII.F Significant employee relations problems, past or present

not publicly verifiable confidence: high

No accessible public source provided employee-relations problem data; this is not evidence of absence.

Evidence gaps

  • Labor disputes, safety incidents, inspections, complaints, severance claims.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide HR/legal schedule of employee disputes, safety incidents, labor inspections, severance claims, and whistleblower matters.

VII.G Personnel Turnover

not publicly verifiable confidence: high

Turnover data and retention benefit plans are not public.

Evidence gaps

  • Voluntary/involuntary turnover by month/function/location and retention plans.

Hidden risks

  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Provide two-year turnover data, retention-benefit plans, critical-role succession plan, and regretted-loss analysis.
Chapter 08

08Legal and Related Matters

Patent records are available; litigation, regulatory, EHS, insurance, contracts, registry, IP assignment, and FTO diligence require counsel and company schedules.

VIII.A Pending lawsuits against the Company

not publicly verifiable confidence: medium

No lawsuit against the company was found in accessible sources, but local registry/court searches were blocked; counsel search is required.

Evidence gaps

  • PRC court/arbitration/threatened-claims schedule.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Have PRC counsel run court/arbitration searches and provide company legal schedule of pending/threatened claims.
Pending lawsuits against the company
itempublic evidenceverification statusdiligence request
Pending lawsuits against GBTNo litigation detail in accessible CB/Sina sourcesinconclusivePRC counsel court/arbitration search and company legal schedule.
Tianyancha legal-risk searchGeoblockednot_publicly_verifiableLocal registry/legal-risk export.
Qichacha commercial registry searchNo usable public details via fetch pathnot_publicly_verifiableLocal court/admin/abnormal-operation checks.

No lawsuit found in accessible public sources is not a clean legal opinion.

Legal, IP, and regulatory diligence timeline Timeline of public legal/IP anchors and missing registry review.

Not a legal opinion.

VIII.B Pending lawsuits initiated by Company

not publicly verifiable confidence: medium

No company-initiated lawsuits were found in accessible public sources; local docket search and management legal schedule are required.

Evidence gaps

  • Affirmative lawsuits, IP enforcement, collection matters, arbitration.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.

Follow-up questions

  • Provide legal schedule of affirmative claims and counsel search results.
Lawsuits initiated, regulatory actions, EHS, insurance, and contracts request table
itempublic evidenceverification statusdiligence request
Company-initiated lawsuits / IP enforcementNo public schedulenot_publicly_verifiableLegal schedule and counsel search.
Regulatory / administrative actionsNo accessible agency records; registry access limitednot_publicly_verifiableAdmin penalty, EHS, product safety, export/subsidy/cyber search.
EHS / employee safety / insuranceBattery production category public; permits/incidents/policies not publicnot_publicly_verifiableEHS permits, incident logs, product safety certifications, policies, claims.
Material contractsRelationships/investors visible; contract terms not publicnot_publicly_verifiableCustomer/supplier/investor/license/lease contract schedule.

VIII.C Environmental and employee safety issues and liabilities

not publicly verifiable confidence: medium

Battery and energy-storage production creates EHS/product-safety exposure, but permits, incidents, inspections, and liabilities were not public.

Evidence gaps

  • EHS permits, hazardous materials, inspections, incidents, remediation, certifications.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Battery safety, warranty, and product-liability risks are not public.

Follow-up questions

  • Provide EHS permits, incident logs, hazardous-material processes, inspection reports, safety certifications, and insurance claims.

VIII.D Material patents, copyrights, licenses, and trademarks

partially verified confidence: high

Google Patents verifies six patent/application records assigned to GBT; trademarks, copyrights, licenses, assignments, liens, and FTO are not fully assessed.

Evidence gaps

  • IP assignment chain, licenses, liens, trademarks, copyrights, FTO.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Technical claims require independent validation.

Follow-up questions

  • Provide patent/trademark schedule, assignments, invention agreements, licenses, liens, prosecution status, and FTO opinions.
Material IP assets and requests
itempublic evidenceverification statusdiligence request
WO2025236616A1Battery charging control method, published 2025-11-20verified as filingProsecution file, assignments, product mapping.
WO2025036171A1 / WO2025036172A1Power battery discharge/system/control publications, 2025-02-20verified as filingsAssignments, FTO, OEM integration implications.
US20240010567A1 / WO2024251007A1 / WO2025241461A1Materials, temperature adjustment, lithium-free electrode publicationsverified as filingsProduct relevance, claims scope, FTO, manufacturability.
Trademarks, copyrights, licenses, trade secretsNo public schedule in accessible sourcesnot_publicly_verifiableIP inventory, assignments, licenses, liens, trade-secret controls.

VIII.E Insurance coverage and material exposures

not publicly verifiable confidence: high

Insurance policies, exclusions, limits, product liability coverage, and claims history are not public.

Evidence gaps

  • Insurance policies, coverage limits/exclusions, claims, warranty coverage.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Battery safety, warranty, and product-liability risks are not public.

Follow-up questions

  • Provide insurance policies, claims history, broker summaries, warranty reserves, and coverage adequacy analysis.

VIII.F Material contracts

not publicly verifiable confidence: high

Material customer, supplier, investor, JV, license, manufacturing, and property contracts were not public.

Evidence gaps

  • OEM supply, GAC-related, supplier, investor-rights, license, lease, change-of-control terms.

Hidden risks

  • Visible commercialization is GAC/AION-centered.
  • Financing and cap-table terms are opaque.
  • Legal/regulatory/IP/EHS searches are incomplete.

Follow-up questions

  • Provide material contract schedule and copies with termination/change-of-control, exclusivity, warranty, and indemnity terms.

VIII.G Regulatory agency problems

not publicly verifiable confidence: medium

No agency action was found in accessible sources, but registry/agency search coverage was incomplete due access limits.

Evidence gaps

  • Administrative penalties, EHS orders, product recalls, subsidy/export/cyber compliance.

Hidden risks

  • Legal/regulatory/IP/EHS searches are incomplete.
  • Access gaps limit management, HR, legal, and registry verification.

Follow-up questions

  • Have PRC counsel run administrative penalty, EHS, product safety, customs/export, subsidy, and cyber/data compliance searches.
Risk heatmap Risk heatmap for the public-source diligence risk register.

Evidence

Evidence claims
IDClaimStatusSources
EC-001 CB Insights lists Greater Bay Technology as a unicorn at a $1.26B valuation, date joined 2022-04-02, China / Guangzhou, Industrials, with selected investors Tencent Holdings, Utrust Venture Capital, and GF Xinde Investment Management Co. verified high SRC-001
EC-002 CB Insights company profile describes GBT as founded in 2020, Stage Series A | Alive, total raised $157.15M, headquartered in Guangzhou, Guangdong. verified medium SRC-002
EC-003 CB Insights describes GBT as providing EV battery solutions, charging infrastructure, XFC batteries, battery systems, and charging solutions to EV manufacturers. verified medium SRC-002
EC-004 Sina Finance / Securities Star reports a May 2026 B round for Guangzhou Greater Bay Technology with undisclosed amount and investors Runxin Micro Technology and Skyworth Group. verified medium SRC-003
EC-005 Sina reports GBT was founded in September 2020 and is GAC Group’s first internally incubated mixed-ownership high-tech enterprise. verified medium SRC-003
EC-006 Sina reports GBT focuses on XFC extreme-fast-charging power batteries and next-generation energy-storage devices/systems, with extreme-fast, super-fast, and normal-fast product series. verified medium SRC-003
EC-007 Sina reports GBT batteries can charge 0-80% in as little as 7.5 minutes, received a WRCA fastest EV charging technology record on a GAC model, and were used in GAC AION V Plus 15Min and 7Min variants. partially verified medium SRC-003
EC-008 Sina reports GBT launched Phoenix battery in June 2023 with claimed all-weather operation, multi-voltage extreme-fast charging, and advantages in safety, life, specific energy, range, and cost. partially verified medium SRC-003
EC-009 CB Insights profile names investors including Tencent, GF Xinde, BOC & UTRUST Private Equity Fund Management, GF Qianhe, Nanyue Fund, and others. verified medium SRC-002
EC-010 CB Insights profile says competitors include StoreDot and four more, and describes Ebull as a fast-charging technology competitor. verified medium SRC-002
EC-011 Google Patents returned six patent/application records assigned to Guangzhou Greater Bay Technology / 广州巨湾技研有限公司, covering charging control, power-battery systems, temperature adjustment, materials, and lithium-free negative electrodes. verified high SRC-004
EC-012 Audited financial statements, revenue by product/customer/channel, backlog, AR aging, cost structure, pricing, projections, cap table, debt, and option/warrant schedules were not publicly available in accessible sources. not publicly verifiable high SRC-001SRC-002SRC-003
EC-013 Customer revenue concentration, supplier concentration, contracts, sales productivity, headcount, compensation, turnover, insurance, and material contracts were not publicly verifiable in accessible sources. not publicly verifiable high SRC-002SRC-003
EC-014 Official company pages and major Chinese registry pages were not reliably accessible from the research environment, limiting first-party and legal/regulatory verification. inconclusive high SRC-005SRC-006SRC-007SRC-008
EC-015 Public financing data is incomplete or stale: CB profile reports latest round Series A / $157.15M total raised, while Sina reports a May 2026 B round with undisclosed amount. partially verified medium SRC-002SRC-003
EC-016 Public evidence supports at least one visible GAC/AION commercialization path, but revenue/customer concentration outside that ecosystem is not public. partially verified medium SRC-003
EC-017 No public lawsuit, regulatory enforcement, environmental/safety, or insurance schedule was accessible in this research pass; blocked registries mean absence of evidence is not evidence of absence. not publicly verifiable medium SRC-002SRC-003SRC-006SRC-007
EC-018 Public technology claims are promising but not independently validated for cycle life, warranty cost, low-temperature charging, safety, yield, or production economics. inconclusive medium SRC-002SRC-003SRC-004

Disclaimer

This report is a public-evidence diligence snapshot, not investment advice. Important financial, legal, technical, and contractual facts remain non-public and should be verified directly with management and primary documents before any investment decision.