Who are we?

Shenzhen Gvtong Electronic Technology Co., Ltd is specialized in designing and manufacturing of electric vehicle high voltage connectors (with various specifications and features), HV wire harness & cables, EV charging equipment, and HV connectors for Battery Energy Storage System (BESS). All our products are RoHS compliant and have been certified by TUV/CE/ISO etc., which are widely used in EV market. All these ensure that we provide our customers with high-quality products within the stipulated time frame.

Customize automotive wiring harness & connectors

The wiring harnesses & connectors will have a significant impact on the entire automobile/mobility society by further deepening the harness technology beyond its role as the blood vessels and nerves of the car.

How to Choose HV Connectors and Harnesses for Electric Vehicles

Automotive high-voltage wiring harness (high-voltage cables and high-voltage interfaces) is a key component of the high-voltage electrical system, providing reliable operation and safety of electric vehicles. The main development and design solutions for the whole vehicle high-voltage harness involve cable layout, cable diameter selection, high-voltage connector selection, charging cable and interface types and applications, cable fixing and protection, etc.

Contact us

Enhance your automotive connection requirements with our innovative connector solutions. Tailor-made to fit your specific requirements, our expert team collaborates closely to design and develop a customized connector system that aligns perfectly with your vision and application needs.

Source factory

Maintains strict control over the quality of materials and manufacturing processes.

Full manufacturing capabilities

Equipped to deliver customized EV's wiring harness & connectors for any market need.

Customization

Specializing in tailor-made wiring harness & connectors to fit your specific requirements.

EV Wire Connectors: The Unsung Heroes of Electric Vehicles

Electric vehicles (EVs) are transforming the automotive landscape, shifting the industry from fossil fuel reliance to sustainable, electrically powered transportation. At the core of this revolution lies a sophisticated network of electrical systems, where EV wire connectors serve as critical components. These connectors are the linchpins that ensure seamless transmission of electrical power and signals, enabling EVs to operate efficiently, safely, and reliably.

EV Wiring Harness: The Lifeline of Electric Vehicles

The importance of the EV wiring harness has grown alongside the rapid expansion of the electric vehicle market. With EV sales projected to reach millions annually by the end of the decade, the demand for reliable and efficient wiring harnesses is at an all-time high. These harnesses must not only deliver power from the battery to the drivetrain but also support advanced features such as fast charging, regenerative braking, and vehicle-to-grid communication.

Comprehensive Guide to Automotive Connectors Manufacturers

Automotive connectors are vital components in the modern vehicle ecosystem, enabling the seamless operation of electrical and electronic systems. Let’s exploring their role, the types of connectors they produce, the manufacturing processes, technological innovations, market dynamics, key industry players, and the future outlook of this essential sector. Whether you’re an industry professional, a student, or simply curious about automotive technology, this guide provides a detailed and engaging overview.

Comprehensive Guide to Automotive Wires Manufacturers

In the intricate world of automotive engineering, few components are as essential yet often overlooked as the wiring harness. This complex assembly of wires, connectors, and terminals serves as the central nervous system of a vehicle, transmitting power and data to every corner of the car. From the engine’s roar to the gentle glow of dashboard lights, the wiring harness makes it all possible.

Automotive Wiring Harness & Connectors Customization Process

Demand communication

Send pictures or samples

Product Quote

Sample production

Customer acceptance

Mass production

Delivery

Gvtong's automotive wiring harness & connectors

Gvtong's Partners

At Gvtong Electronics, our commitment lies in fostering long-term customer relationships. We achieve this by meeting wiring harness and connector needs with high-quality products, competitive pricing, on-time delivery, and reliable support. More…

China-Railway-Rolling-Stock-Corporation

Honda Motor

SAIC Motor

Li Auto

Leap Motor

Zhong Tong BUS

TRI-RING Commercial Vehicles

Sany Heavy Industry

Blogs & News

Automotive Hybrid Connector: The “Power Bridge” of Hybrid Vehicles

Gvtong Electronic September 9, 2025

Automotive Hybrid Connector: The “Power Bridge” of Hybrid Vehicles The automotive industry is undergoing a profound transformation, driven by the shift towards electrification and sustainability. At the heart of this evolution lies the hybrid vehicle, which combines an internal combustion engine with an electric motor to offer improved fuel efficiency,

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The Key to Automotive Circuit Stability: Multi-Pin vs. Single-Pin Automotive Connectors

Gvtong Electronic September 8, 2025

The Key to Automotive Circuit Stability: Multi-Pin vs. Single-Pin Automotive Connectors   In the intricate ecosystem of modern vehicles, electrical connectors are the unsung heroes that ensure seamless power and data transmission. From powering engine control units to enabling advanced driver-assistance systems (ADAS) and electric vehicle (EV) powertrains, connectors are

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The Ultimate Guide to Automotive Electrical Connectors

Gvtong Electronic September 5, 2025

The Ultimate Guide to Automotive Electrical Connectors   Automotive electrical connectors are the unsung heroes of modern vehicles, enabling seamless power and data transmission for systems ranging from engine control units to advanced driver-assistance systems (ADAS). As vehicles become more electrified and autonomous, the demand for reliable, durable, and high-performance

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How Many Tips Do You Know About De-Pinning and Re-Pinning Connectors

Gvtong Electronic September 4, 2025

How Many Tips Do You Know About De-Pinning and Re-Pinning Connectors   Electrical connectors are critical components in automotive, aerospace, industrial, and consumer electronics, enabling reliable power and data transmission. De-pinning and re-pinning connectors—removing and reinserting terminals within a connector housing—are essential skills for repairing, modifying, or upgrading wiring systems.

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Application of Electrical Connectors in Powered Autonomous Vehicles

Gvtong Electronic September 3, 2025

Application of Electrical Connectors in Powered Autonomous Vehicles   Autonomous vehicles (AVs) represent the pinnacle of modern automotive innovation, integrating advanced sensors, computing systems, and electric powertrains to achieve self-driving capabilities. At the heart of these sophisticated systems are electrical connectors—compact yet critical components that enable reliable power and data

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