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

Best Top 10 Automotive High Voltage Connector Manufacturers In India

High-Adaptability GE Series-Signal Connectors, Signal Essential Universal for Military/Electronic Equipment

Gvtong Electronic November 5, 2025

High-Adaptability GE Series-Signal Connectors, Signal Essential Universal for Military/Electronic Equipment   In the demanding worlds of military operations and advanced electronic equipment, reliable signal transmission is not just a luxury—it’s a necessity. Signal distortion, caused by electromagnetic interference (EMI), poor contact resistance, or environmental factors, can lead to catastrophic failures

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Best Top 10 Automotive High Voltage Connector Manufacturers In India

What is an Oil-Resistant Automotive Connector?

Gvtong Electronic November 4, 2025

What is an Oil-Resistant Automotive Connector?   In the modern automotive industry, electrical connectors play a pivotal role in ensuring the seamless operation of vehicles. These small yet critical components facilitate the transmission of power, signals, and data between various systems, from engine control units to infotainment systems. Among the

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best top 10 automotive high voltage connector manufacturers in china

High Anti-interference High-speed data connectors, the Core of High-speed Transmission Universal for Industrial/Automotive Electronics

Gvtong Electronic November 3, 2025

High Anti-interference High-speed data connectors, the Core of High-speed Transmission Universal for Industrial/Automotive Electronics   In an era where data drives everything from autonomous vehicles to smart factories, the demand for seamless, instantaneous communication has never been higher. Delays in data transmission can lead to catastrophic failures—think of a self-driving

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Automotive Modular Connectors: All-in-One Solution for 48V System & ADAS High-Speed Transmission

Gvtong Electronic October 31, 2025

Automotive Modular Connectors: All-in-One Solution for 48V System & ADAS High-Speed Transmission   The automotive industry is undergoing a profound transformation, driven by the twin forces of electrification and autonomy. As vehicles evolve from mechanical marvels to sophisticated electronic ecosystems, the demand for reliable, efficient, and versatile connectivity solutions has

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Durable OEM Automotive Electrical Wire Connectors Trusted by Global Automotive Brands

Gvtong Electronic October 30, 2025

Durable OEM Automotive Electrical Wire Connectors Trusted by Global Automotive Brands     In the intricate ecosystem of modern vehicles, electrical wiring connectors serve as the vital links that enable seamless communication and power distribution across complex systems. These connectors, particularly those designed for Original Equipment Manufacturers (OEMs), are engineered

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