Guoming Rubber – China’s Leading
Automotive Connector Seals Manufacturer

Precision-engineered rubber seals for new energy vehicles, battery systems, and high-performance automotive electrical connections. Trusted by SAIC-GM, Dongfeng, and global OEMs.

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About Guoming Rubber

A trusted name in automotive sealing solutions since 2005, delivering innovation, quality, and reliability.

Zhejiang Guoming Rubber Technology Co., Ltd.

Founded in 2005 and located in Wuniu Industrial Park, Yongjia County, Wenzhou, Zhejiang, Guoming Rubber has grown into a leading enterprise in the field of automotive connector seals. With over 10,000 square meters of modern production space and a team of 300 skilled professionals, we are dedicated to the R&D and manufacturing of high-performance rubber sealing solutions.

As a key player in the automotive connector industry, we specialize in three core product lines: automotive connector seals, electrical circuit seals, and waterproof plug series. Our products are widely used in new energy vehicle battery systems, motor electronic controls, and charging interfaces, ensuring safe, durable, and waterproof performance under extreme conditions.

Founded in 2005
10,000+ sqm production facility
300+ professional employees
ISO-certified manufacturing processes

Why Choose Guoming Rubber?

We combine advanced materials, precision engineering, and user-centric design to deliver unmatched performance.

Quality

High temperature resistance, wear resistance, strong impact resistance, and excellent waterproof performance ensure long-term reliability.

Precision

Corrosion resistance, anti-aging properties, and easy installation with consistent dimensional accuracy.

Material Excellence

High-performance silicone with superior thermal stability, chemical resistance, and adsorption properties.

Safety & Durability

Multi-process design, compact size, high energy efficiency, and user-focused engineering for mission-critical applications.

Our Featured Products

Engineered for performance, durability, and seamless integration in automotive and EV systems.

Black Gasket of 3 Way Connector

High-tensile rubber gasket for multi-directional sealing in automotive connectors.

Automotive Seal

12 Pin Wire Seal for Electric Connector

Precision silicone seal for 12-pin electrical connectors, ideal for EV battery packs.

Connector Seal

18 Pin Hybrid Wire Seal for Connector

Hybrid rubber-plastic seal for high-density connectors in motor control units.

Hybrid Seal

4 Pin Silicone Connector Seals

High-temperature resistant silicone seals for compact automotive connectors.

Silicone Seal

16120026 Single Wire Seals

High-flexibility single wire seals for individual wire protection in harsh environments.

Single Wire Seal

1394512-1 Single Wire Seals

Durable rubber seals designed for high-vibration automotive wiring systems.

Wire Seal

281934-2 Single Wire Seals

Compact, high-resilience seals for EV charging interface wiring.

EV Component

172888-1 Single Wire Seals

High-purity silicone seals for sensitive electrical circuits in hybrid vehicles.

Premium Seal

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Latest News

Stay updated with Guoming Rubber’s industry participation, partnerships, and innovations.

Aug

SAIC-GM-Wuling and Dongfeng Liuzhou Motor Exchange Meeting

On July 25, 2025, Guoming Rubber, as a supplier of automotive connector seals for SAIC-GM, was invited to participate in a docking event held by SAIC-GM-Wuling and Dongfeng Liuzhou Motor, and discussed new trends in the future development of the automotive industry with many industry veterans.

Aug

GM Rubber Debuts at 2025 Taizhou Auto Parts Exhibition

The China (Taizhou) International Auto Parts and Aftermarket Exhibition concluded successfully. Zhejiang Guoming Rubber Technology Co., Ltd., as a leader in the automotive connector seals industry, showcased its latest innovations in EV sealing technology.

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Guoming Rubber – China’s Leading Automotive Connector Seals Manufacturer