Zhejiang Yonggui Electric Equipment Co., Ltd.
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YONGGUI Group Overview

Yonggui Electric Equipment Co., Ltd. (“YGC”) is a high-tech enterprise with over 50 years of expertise in the R&D, manufacturing, and sales of connectors, interconnection systems, and smart precision products. Listed on the Shenzhen Stock Exchange (Stock Code: 300351) since 2012, Yonggui is recognized as a leading Chinese provider of high-reliability connectivity solutions.


The company’s products are distributed across three major sectors: new energy and vehicles (58%), railway and industrial (36%), and specialized markets (6%), supporting safe, stable, and efficient operations in each field. Yonggui holds 726 national patents and is certified to ISO 9001, ISO/TS 22163, CRCC, ETL, UL, and IATF 16949 standards.


50+
50+

Years History

726
726

National patents

2534
2534

Employee

YONGGUI Group Overview

Key Subsidiaries

Sichuan Yonggui Science and Technology Co., Ltd.

A wholly owned subsidiary of Zhejiang Yonggui Electric, established in 2008 with a registered capital of RMB 150 million. The company provides a comprehensive range of connector products and technical services for rail transit, new energy vehicles, telecommunications, wind power, and major equipment industries.


It is a leading enterprise in China’s rail transit connector market, with several products ranking among the top three in domestic EV connector market share.


YONGGUI Group Overview
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YONGGUI ELECTRIC (THAILAND) CO.,LTD.

On November 22, 2024, the grand opening ceremony of Yonggui's Thailand factory took place in the Rayong Industrial Zone, Thailand. The Yonggui Thailand Factory specializes in the R&D, manufacturing, and sales of charging connectors, including CCS (European/US standards) and megawatt-level charging connectors, harness assemblies, and related components. Its product portfolio also spans wind power, photovoltaic energy storage systems, and rail transit connection systems. Committed to providing comprehensive technical consultation and support, Yonggui Thailand aims to meet the ever-growing market demands.

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Other Subsidiaries

CompanyMain ProductsIntroduction Download
Chongqing Yonggui Traffic Equipment Co.,Ltd. GangwayLearn More
Chengdu Yonggui Toyo Rolling Stock Equipment Co.,Ltd.PantographLearn More
Jiangsu Yonggui New Energy Technology Co.,Ltd.Lithium titanate battery systemLearn More
Luoyang OELNK OPTRONIC Technology Co.,Ltd.Optical fiber connectorLearn More
Beijing Yonglex Technology Co.,Ltd.Axle CounterLearn More



Roadmap

Roadmap

1973~ Present
1973

Foundation: Tiantai city car repair factory

1979

Build 1st Connector: Enter locomotive market

2004

Metro Market Entry: Guangzhou & Shanghai projects

2008

Sichuan Yonggui: Set up connector hub

2009

High Speed Train Entry: Developed YGG-216 enter train connector

2012

IPO: Enter new energy market

2014

Special Market Entry: Oil & gas system certification

2017

JVs with Toyo (Japan)

2018

Yonggui Group Establishment

2019

Business Transforming to New Energy Focus

2023

Globalization

2024

Singapore office & Thailand plant set up

Culture

Culture

Corporate Mission
Corporate Mission

Technology Connection to Future

Corporate Vision
Corporate Vision

World Class Inter-connect Supplier

Core Values
Core Values

Diligence & Cooperation

Company Quality Policy
Company Quality Policy

Customer Orientation, Full Participation and Winning with High Quality

Certificate & Award

Yonggui products have passed international testing and certification reports including ISO 9001, ISO/TS 22163,IATF16949,UL, TUV,CE,etc which is sure to meet the import needs of different countries. So far, Yonggui's products in various fields have been put into use in many important projects around the world and have won praise from customers.

Certificate of Intellectual Property Management System Certification
Certificate of Intellectual Property Management System Certification
IATF16949(SGS)
IATF16949(SGS)
IECQ QC080000(SGS)
IECQ QC080000(SGS)
ISO TS 22163 Quality Management System for Railway Industry certification1_00
ISO TS 22163 Quality Management System for Railway Industry certification1_00
ISO TS 22163 Quality Management System for Railway Industry certification2_00
ISO TS 22163 Quality Management System for Railway Industry certification2_00
ISO9001 2015SGS
ISO9001 2015SGS
ISO-9001-2015
ISO-9001-2015
ISO14001
ISO14001
ISO-14001-2015
ISO-14001-2015
ISO22163
ISO22163
ISO45001
ISO45001
ISO-45001-2018
ISO-45001-2018
Laboratory Accreditation Certificate
Laboratory Accreditation Certificate
Welding System Certification
Welding System Certification
30th Anniversary of TUV Rheinland(Guangdong) Ltd
CRRC2024 outstanding contribution supplier
In 2024, Hefei Guoxuan Battery awarded Sichuan Yonggui Excellent Supplier Award
YG-GB High Quality Charging Gun Medal-China Automotive Center
Shenzhen Wenchu Innovation Technology Co., Ltd. awarded Sichuan Yonggui Excellent Supplier Award
Sany Commercial Vehicle License
In 2024, Guangzhou Zhiguang awarded Sichuan Yonggui Excellent Supplier Award
Award-CRRC Nanjing Puzhen Vehicle Co., Ltd. 2025
Letter of Appreciation-CRRC Times Electric Vehicle Co., Ltd.
CRRC Chengdu awarded Chengdu Toyo Excellent Supplier Award
2024 Hongtu Smart Energy Outstanding Partner of the Year
In 2024, Changan Kaicheng awarded Sichuan Yonggui Electrification Contribution Award
yonggui-5
yonggui-connector-4
yonggui connector-3.png
National IP Advantage Company
yonggui-electric-1
Key Enterprise Research center
State Industrial design center
National High tech company
State Enterprise technology center
CSR
Best service award
CRCC
Best supplier award
Electric vehicle professional society
Automotive supplier top 100
RENergy Electric
Annual Star supplier
Vmax Power
Best quality award
INVT
Excellent Award
TUV
Energy storage top 100
yonggui-connector-2
Blog & News
Custom Wire Harness for Electric Vehicles: Meeting High-Voltage and Safety Requirements
As electric vehicles (EVs) continue to gain global momentum, the demand for reliable, high-performance electrical systems has never been greater. At the core of these systems lies the custom wire harn...
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PDU in Electric Vehicle: Why It Is the "Brain" of the EV Power System
As electric vehicles (EVs) continue to evolve toward higher voltage, greater intelligence, and faster charging, one critical component quietly orchestrates the entire power flow—the PDU in electric v...
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New Micro Connector Series Officially Released
On October 25, 2025, Yonggui Electric announced the release of its new-generation micro circular and micro rectangular connector series during a joint product presentation held in Shanghai.The newly i...
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