Yonggui Electric

What Yonggui Electric does

Yonggui Electric Equipment Co., Ltd. (Zhejiang Yonggui Electric Equipment Co., Ltd.) is a Chinese manufacturer of high-reliability electrical connectors, interconnection systems, and smart precision products, founded in 1973 and headquartered in Tiantai County, Zhejiang Province. The company has been listed on the Shenzhen Stock Exchange (Stock Code: 300351) since 2012 and operates three primary product lines: (1) New Energy and Vehicle connectors, including high-voltage EV connectors (YGEV2 through YGEV6 series), charging connectors covering CCS1/CCS2, NACS, MCS, GB/T and CHAdeMO standards, energy storage connectors (ESC-HP, ESC-HPB, ESC-TB, ESC-M series), and telecom connectors; (2) Railway and Industrial systems, including heavy-duty rectangular connectors (HDC-HQ/HE/HD/HM series), circular connectors (M12/M23/GTC series), electric couplers (over 65% domestic market share), gangway connections, axle counters (YLJZ-F1/F2 with full independent IP), pantographs, lithium titanate battery modules, and subway door systems; and (3) Special connectors for explosion-proof, deep sea, nuclear, optical fiber, and RF applications. The company holds 837 national patents, maintains certifications including ISO 9001, IATF 16949, ISO/TS 22163, CRCC, AS9100D, EN15085, UL, and CE, and operates manufacturing facilities across China and Thailand.

The company serves enterprise customers across electric vehicles (BYD, Geely, Volvo, Chery, SAIC, Honda, SERES, XPeng, Changan, CATL, Vinfast, Ford, Nissan, Yutong, SANY, Dongfeng), rail transit (CRRC, Alstom, Siemens, Bombardier, Hyundai Rotem, China Railway, multiple metro operators), energy storage and power (Sungrow, Hongtu, State Grid Xuji, Mingyang), and telecom/data infrastructure (Nokia, ABB, Vertiv, Huawei). Revenue is generated primarily through direct hardware sales of connectors, cable assemblies, and custom wire harnesses, supplemented by rail coupler maintenance services and distributed channel sales through authorized partners including DigiKey, Verical, Alfatec, and various regional distributors. The go-to-market combines enterprise direct sales with regional sales contacts (APAC, EMEA, Americas, Russia, India), a Thailand-based manufacturing and sales hub for ASEAN markets, and a Sichuan-based subsidiary (RMB 150M registered capital) for the Chinese rail and EV market. Pricing is quote-based and not publicly disclosed, consistent with custom industrial component sales.

Name

Yonggui Electric

Legal name

Zhejiang Yonggui Electric Equipment Co., Ltd.

Website

https://yongguielectric.com

Company type

Public

Founded year

1973

Operating status

Operating

Headcount range

11–50 employees

Short description

Yonggui Electric is a Chinese manufacturer of high-reliability electrical connectors and interconnection systems serving electric vehicles, rail transit, energy storage, telecom, and industrial automation, with 837 patents, 65%+ domestic share in electric couplers, and a top-3 position in China's EV connector market.

Ownership category

akta.pro rank

Product category

Electrical Connectors and Interconnection Systems

NAICS

Electronic Connector Manufacturing (334417), Electrical Equipment Manufacturing (33531), Other Electrical Equipment and Component Manufacturing (3359)

SIC

Electronic Connectors (3678), Electronic Components & Accessories (3670), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Connectors & Interconnect Components (Industrial connectors, terminals, sockets, backplane) (IMAGAJAC)

akta.pro secondary industries

High-Voltage Wiring, Connectors & Busbars Manufacturing (IMACACAF), Charging Infrastructure Components (connectors, cables, dispensers, payment/controls) (IMAGAHAH), Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve) (IMAGAEAF)

Keywords

• Electrical connectors
• EV charging connectors
• Rail transit connectors
• Energy storage connectors
• Industrial interconnection systems

Headquarters

HQ city

Tiantai County

HQ country

China

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Technology or R&D, Operations, Infrastructure, Marketing or Sales

Revenue model

1. High-Voltage EV Connectors and Charging Systems: Manufacture and sale of high-voltage connectors, charging connectors (AC, DC, liquid-cooled HPC), vehicle inlets (CCS1/CCS2, NACS, MCS, GB), adapters, and PDU/BDU power distribution units for electric vehicles. Products comply with IATF 16949 automotive quality standards and are sold directly to EV OEMs and charging infrastructure manufacturers.
2. Railway and Industrial Connector Systems: Sale of electrical rail connectors, electric couplers, gangway connections, pantographs, axle counters, door systems, and lithium titanate battery modules for rail transit (metro, high-speed trains, EMUs) and industrial applications. Includes rectangular connectors (HDC series), circular connectors, threaded connectors (M12, M23, M40), and D-series connectors.
3. Energy Storage Connector Solutions: Sale of energy storage connectors (ESC-HP, ESC-HPB, ESC-TB series), signal connectors (RJ45, control), MSD maintenance switches, and high-voltage wiring harnesses for energy storage power stations, commercial/industrial ESS cabinets, and outdoor distributed energy storage systems.
4. Railway Equipment Maintenance Services: Maintenance and repair services for electric couplers including inspection, disassembly, cleaning, core element replacement, reassembly, and routine testing. Completed 21 urban rail and 8 Chinese standard EMU electric coupler maintenance service projects as of April 2023. Handles overseas supplier couplers from Voith, Dellner, Faiveley.
5. Customized Connector and Wiring Harness Solutions: Custom wire harness manufacturing for electric vehicles, rectangular connectors, M-series harnesses, D-sub harnesses, and circular connector harnesses. Tailored to specific applications in automotive, aerospace, and industrial sectors with engineering support.

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

Yonggui Electric designs, manufactures, and sells high-reliability electrical connectors, interconnection systems, charging systems, and smart precision products for electric vehicles, rail transit, energy storage, telecom, and industrial automation. Its product range includes high-voltage EV connectors, charging connectors (AC/DC/liquid-cooled), energy storage connectors, wire harnesses, electric couplers, gangway connections, axle counters, pantographs, lithium titanate battery modules, and explosion-proof/deep-sea/nuclear specialty connectors. Products are sold to OEMs, rail operators, energy storage companies, and industrial customers via regional direct sales and a global distributor network, supported by rail coupler maintenance services.

Product overview

Yonggui Electric is a leading Chinese manufacturer of connectors and interconnection systems with over 50 years of experience. The company offers three main product portfolios: (1) New Energy & Vehicle Connectors System including EV Connectors (YGEV2/YGEV3/YGEV4/YGEV5/YGEV6 series), Charging Connectors (GB DC, CCS1/CCS2, NACS, MCS, water/oil cooling variants), Energy Storage Connectors (ESC-HP/ESC-HPB/ESC-TB/ESC-M series), Telecom Connectors, and Custom Wire Harnesses; (2) Railway & Industrial Connector System including HDC rectangular connectors (HQ/HE/HD/HM/HK series), circular connectors (M12/M23/GTCF/GTCM/GTCN), Electric Couplers (YG1110/YGC1121), Gangway Connections, Axle Counters (YLJZ-F1/F2), Pantographs, Lithium Titanate Battery Modules, and Subway Door Systems; and (3) Special Connectors for explosion-proof, deep sea, nuclear, optical fiber, and RF applications. Products meet USCAR, LV215, and other industry standards with certifications including ISO 9001, ISO/TS 22163, IATF 16949, CRCC, ETL, and UL.

Differentiator

Problem solved

Functional benefit

Brands

• Yonggui Connector: Product brand for electrical connectors and interconnection solutions
• Sichuan Yonggui

Products and services

• YGEV2 Series Electrical Connectors 2-pin series electrical connectors for electric vehicle high-voltage interconnection systems, providing power and signal transmission for battery, motor, and electronic control applications.
• YGEV3 Series Electrical Connectors Third-generation 2-pin EV connectors for high-voltage vehicle power and signal applications.
• YG1174 Series Electrical Connectors Multi-pin EV connectors in 2-pin, 3-pin, and 4-pin configurations for vehicle power and signal transmission.
• YG1176 Series Electrical Connectors High-current connectors designed for automotive applications requiring robust power transmission.
• YG196 Series Electrical Connectors High-power EV connectors including YG196-529, YG196-380A, YG196-459, YG196-510, and YG196-545 series for various vehicle applications.
• PDU & BDU Power Distribution Units Power Distribution Unit (PDU) and Battery Disconnect Unit (BDU) acting as the brain of EV power systems for safe high-voltage power management.
• Charging Connector System Comprehensive charging connectors covering AC, conventional DC, and high-power liquid-cooled DC charging for electric vehicles with certifications including China National Inspection, CQC, CE, CB, and UL.
• GB DC Vehicle Connector DC vehicle connectors for Chinese GB standard EV charging applications.
• CCS2 DC Vehicle Connector CCS2 DC vehicle connectors for European standard fast charging applications.
• Megawatt MCS Connector Megawatt-level charging connectors for heavy-duty commercial vehicles and equipment requiring ultra-high power charging.
• NACS Connector North American Charging Standard connectors for Tesla-compatible EV charging.
• Water-Cooling Vehicle Connector Liquid-cooled DC charging connectors for high-power EV applications with superior thermal management.
• Oil-Cooling Vehicle Connector Oil-cooled high-power charging connectors for sustained high-current EV charging applications.
• Energy Storage Connector System Complete interconnection solutions for energy storage systems including power connectors, MSD, RJ45 signals, control signals, and wiring harness components.
• ESC-HP Series Energy Storage Connectors High-performance liquid-cooled energy storage connectors in HP120, HP200, HP300, and HP400 ratings for various power storage applications.
• ESC-HPB Series Energy Storage Connectors Safe, reliable high-voltage energy storage connectors in HPB120, HPB250, HPB300, HPB350, HPB400, and HPB450 ratings for modern ESS applications.
• ESC-TB Series Energy Storage Connectors Energy storage connectors in TB250 and TB350 ratings for industrial energy storage system connections.
• ESC-M10B/M16B Energy Storage Connectors Multi-circuit energy storage connectors with configurations including 2C150+12C10, 4C70+12C10, 4C70+25C5, 4C100+12C10, and 3C150+12C10 for flexible system integration.
• Telecom Connector Telecom connectors widely used for power and signal transmission of power modules for outdoor LED display devices, monitoring devices, telecom devices, and charging/energy storage devices.
• 141027B-JL-S4R Rectangular Receptacle Connector Rectangular receptacle connectors for telecommunications and industrial signal applications.
• Custom Wire Harness Custom wiring harnesses for automotive, aerospace, and industrial applications supporting high-voltage wiring, complex wire routing, and thermal management requirements.
• EV Customized Wire Harness Customized wiring harnesses specifically designed for electric vehicle high-voltage and safety requirements.
• Electrical Rail and Industrial Connectors Industrial connectors for rail systems with small series having 2 to 12 inserts, maximum current of 40A, and withstand voltage of 3500V for demanding environments.
• HDC-HQ Series Rectangular Connectors Heavy-duty rectangular connectors including HDC-HQ3, HDC-HQ4, HDC-HQ4-2, HDC-HQ5, HDC-HQ7, HDC-HQ8, and HDC-HQ12 for industrial applications.
• HDC-HE Series Rectangular Connectors Heavy-duty rectangular connectors with multiple pole options including HE6, HE10, HE10A, HE16, HE18, HE24, HE32, HE40, HE46, and HE64 configurations with FC-MC, F-M, and FS-MS termination styles.
• HDC-HD Series Rectangular Connectors High-density rectangular connectors available in HD24, HD40, HD42, HD64, HD72, and HD108 configurations for industrial connectivity.
• HDC-HM/HMC/HMD Series Rectangular Connectors Modular rectangular connectors including HM1C100, HM2C40, HM2C70, HM2C100, HM3C40, HM4C40, HM200, HMC3-4, HMD12, HMD17, and HMD42 for flexible industrial configurations.
• M12 Threaded Connectors M12 industrial circular connectors with threaded coupling for reliable connections in industrial automation and railway applications.
• M23 Circular Connectors M23 circular connectors in S-series and H-series variants for high-current industrial applications.
• GTCF/GTCM/GTCN Circular Connectors Industrial circular connectors including GTCF, GTCM, and GTCN series for various industrial connectivity requirements.
• Electric Coupler Electric couplers with plug-socket interconnection structure for rail vehicles, supporting various core numbers (32, 40, 46, 50, 60, 70, 75, 89, 105, 140, 164, 196, 202) and optional Ethernet modules for 100Mbps and 1000Mbps network transmission; domestic market share exceeds 65%.
• YG1110 Electric Coupler Electric coupler for urban rail and Chinese standard EMUs with flip assembly, shell assembly, insulator assembly, cable assembly, and rear accessories.
• Gangway Connection Train gangway connections featuring advanced materials and innovative design with superior durability and flexibility to withstand dynamic stresses of daily operations; available in B-type configurations (single and three-pieces).
• YLJZ-F1/F2 Digital Axle Counter High-tech axle counting system with full independent intellectual property rights for rail transit signal control, featuring IP68 sensors, IP66 trackside units, and indoor equipment supporting up to 62 outdoor axle counting points and 62 track sections per cabinet.
• Railway Pantograph Train and locomotive pantographs with unique bellows spring secondary buffer design, segmented contact strip for simple maintenance, and mechanical spring raising mechanism with F=80±10N contact force.
• Lithium Titanate Battery Module Lithium titanate batteries using Li4Ti5O12 as anode material with 1.55V lithium embedding potential, offering superior safety with no flammability and maximum temperature not exceeding 100°C during short circuit conditions.
• Subway Door System Subway barrier doors with DC motor-driven opening and closing mechanisms for streamlined subway operations, efficient boarding/disembarking, and reduced dwell times at stations.
• Explosion-proof Connector Explosion-proof connectors designed for intrinsically safe circuits in hazardous environments requiring protection against explosive atmospheres.
• Deep Sea Connector Underwater electrical connectors for depth sensors, cameras, lighting, diver communications, ROVs, and other underwater electrical applications.
• Nuclear Connector Nuclear-grade connectors capable of tolerating extreme operating conditions in terms of temperature, pressure, and radiation.
• Optical Fiber Connector Optical fiber connectors for effective light signal transfer between optical fibers.
• RF Connector Radio frequency connectors designed to transmit RF signals for telecommunications and wireless applications.
• UQDB Blind-Mate Liquid Cooling Quick Couplings Blind-mate liquid cooling quick couplings designed for fast, reliable coolant connections between server modules, cold plates, and rack manifolds in high-density data centers with leak-resistant design.
• Yonggui GB Series-800 GB/T DC Charging Inlet GB/T DC Charging Inlet engineered for high-power commercial EV charging with up to 1000A peak current, modular quick replacement, and real-time thermal monitoring for battery-electric heavy-duty commercial vehicles.
• YGC-GDE Series High-Altitude D-Sub Connectors High-altitude D-Sub connectors extending reliable connectivity from 2,000m to stable operation at 4,000m for railway corridors, industrial facilities, and communication infrastructure.
• LTF/LTFP/LTFX Series Blind-Mate Fluid Connectors LTF/LTFP/LTFX series blind-mate fluid connectors for liquid cooling applications in data centers and radar systems.
• Interconnect Solutions for Commercial Satellites and Civil Aviation Connector and customized cable assembly solutions for signal, power, RF, and data transmission for commercial satellite platforms and civil aircraft electronic systems.
• Marine Electrical Interconnection Solutions Three integrated product portfolios delivering reliable connectivity from shore power to subsea applications for marine use.
• Interconnect Solutions for Embodied Robots Full-system connectivity approach covering perception, communication, actuation, power, control, structural feedthrough, and cable assembly integration for embodied robots.
• Construction Equipment Connectors Construction equipment connector solutions for heavy machinery and industrial equipment applications.
• Marine & Offshore Connectors Marine and offshore connector solutions for maritime electrical applications.
• Unmanned Equipment Connector Solutions Unmanned equipment connector solutions for autonomous systems.
• Railway Equipment Maintenance Services Maintenance and repair services for electric couplers including inspection, disassembly, cleaning, core element replacement, reassembly, and routine testing; handles overseas supplier couplers from Voith, Dellner, Faiveley.

Quantifiable outcome

• 65%+ domestic electric coupler market share
• +5 more outcomes

Named customers45 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

19 partnerships are on record, tiered minor, core and major.

• XFUSION INTERNATIONAL PTE. LTD.minorImplementation/ SI/ Consulting Partner · 25 May 2026Zhejiang Yonggui Electric signed a digital transformation and management digitalization project agreement with XFUSION INTERNATIONAL PTE. LTD. in May 2026 (signed May 18, 2026 in Zhengzhou, China). Project aims to modernize Yonggui's management systems and business processes through digital technology.
• YONGGUI ELECTRIC (THAILAND) CO.,LTD.coreOthers · 22 November 2024Wholly owned manufacturing subsidiary opened November 22, 2024 in Rayong Industrial Zone, Thailand. Specializes in R&D, manufacturing, and sales of charging connectors (CCS1/CCS2, megawatt-level), harness assemblies, wind power, photovoltaic energy storage, and rail transit connection products. Facility: 5,000 sqm land, 2,000 sqm building.
• Sichuan Yonggui Science and Technology Co., Ltd.coreOthers · 1 January 2024Wholly owned subsidiary of Zhejiang Yonggui Electric, established in 2008 with RMB 150M registered capital. Provides comprehensive connector products and technical services for rail transit, new energy vehicles, telecommunications, wind power, and major equipment industries. Leading enterprise in China's rail transit connector market with top-three domestic EV connector market share.
• Singapore SubsidiaryminorOthers · 1 January 2024Singapore office established in 2024 as part of Yonggui's 2023 Globalization strategy. Serves as regional hub for Southeast Asia and Oceania markets.
• Toyo (Japan)coreStrategic or Co-development Partner · 1 January 2017Joint venture partnership with Toyo of Japan established in 2017. Chengdu Toyo is a joint venture entity formed as a result of this partnership, producing railway equipment and connectors. CRRC Chengdu awarded Chengdu Toyo Excellent Supplier Award, demonstrating the JV's contribution to the rail connector market.
• DigiKeymajorChannel Partner/ Reseller/ DistributorAuthorized distributor listing on DigiKey platform for global electronics market. DigiKey lists Yonggui heavy-duty connectors and connector inserts/modules on its e-commerce platform, enabling global access for engineers and procurement teams.
• VericalminorChannel Partner/ Reseller/ DistributorAuthorized distributor listing on Verical platform for verified surplus and factory-new electronic components, serving the North American market.
• HLX DEMIRYOLU VE HAVACILIK EKiPMANLARI LTD. STI.minorChannel Partner/ Reseller/ DistributorAuthorized distributor in Turkey, serving the Turkish and surrounding markets with Yonggui connector products.
• KMC Komponent Teknoloji A.S.minorChannel Partner/ Reseller/ DistributorAuthorized distributor in Turkey, serving the Turkish market with Yonggui connector and component products.
• Alfatec (Germany)minorChannel Partner/ Reseller/ DistributorAuthorized distributor in Germany, serving the European market with Yonggui connector products. Listed on Alfatec's manufacturer portfolio.
• C&B Trading Co., Ltd.minorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• Dream Holdings Co., Ltd.minorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• ICKminorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• PR AIR LLCminorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• Shenzhen YiliteminorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• Shanghai YayiminorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• promtechkoplekt (Russia)minorChannel Partner/ Reseller/ DistributorAuthorized distributor in Russia serving the Russian and CIS markets with Yonggui connector products.
• symmetronminorChannel Partner/ Reseller/ DistributorAuthorized distributor serving regional markets with Yonggui connector products.
• Sany Commercial VehicleminorChannel Partner/ Reseller/ DistributorSany received Yonggui's commercial vehicle license, indicating a structured supplier-customer relationship for heavy equipment and commercial vehicle connector applications.

Scale indicators11 records

Recent moves8 records

Expansion highlights10 records

Broad incumbents

• TE Connectivity: Global leader in connectivity and sensors serving automotive, industrial, rail, energy, and data center markets. Directly comparable as the dominant incumbent in EV high-voltage connectors and rail signaling interconnects against which Yonggui competes.
• Amphenol: One of the world's largest manufacturers of interconnect, antenna, and sensor solutions across automotive, rail, industrial, IT, and aerospace. Comparable broad incumbent offering the same high-reliability connector categories as Yonggui.
• Molex: Global electronic interconnect manufacturer serving automotive, industrial automation, telecom, and data center customers. Comparable broad incumbent across Yonggui's connector categories.
• Sumitomo Electric: Japanese manufacturer of wiring harnesses, connectors, and electric vehicle components with deep relationships among Japanese and global OEMs. Directly competes in automotive high-voltage connectors and rail interconnect.

Direct peers

• Shenzhen Deren Electronic: Chinese A-share listed connector manufacturer with a comparable portfolio of automotive, EV charging, and consumer electronics connectors. Closest Chinese listed peer competing in similar end markets.
• Radiall: French manufacturer of interconnect solutions for aerospace, defense, industrial, and rail markets. Comparable as a specialist in harsh-environment and high-reliability connectors.
• Phoenix Contact: German manufacturer of industrial connectors, charging infrastructure components, and device connection technology. Direct peer in EV charging connectors, energy storage interconnects, and industrial rectangular/circular connectors.
• China Auto Connect (002892): Chinese listed manufacturer of EV high-voltage connectors and charging system components. Closely comparable peer competing for the same domestic EV OEM customers.
• Aptiv: Global automotive technology supplier with a strong high-voltage connector and wiring harness portfolio for electric vehicles. Direct peer to Yonggui in EV power distribution and signal interconnection.
• Suzhou Recodeal Interconnect: China-based manufacturer of high-voltage EV connectors, charging connectors, and energy storage interconnects. Direct peer competing in the same product categories and end markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCj22GbqXvUMWeq1TOzmSzHg
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/yongguielectric
• Pinterestpinterest.com/yongguielectric

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yonggui Electric