About Gongzheng

ZHEJIANG GONGZHENG AUTO PARTS FACTORY is

professional air brake valve manufacturers and truck tractor trailer air brake components suppliers in China

which was established in 1990. It is an enterprise that produces air brake valves for brake systems of commercial vehicles. Its leading products have been assembled and used by a number of OEMs including China National Heavy Duty Truck, Second Automobile Dongfeng, Beiqi Foton and JAC Heavy Truck, and exported to Southeast Asia, America...
Customization
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How to avoid air leakage at the exhaust port of the handbrake valve

07

Oct

How to avoid air leakage at the exhaust port of the handbrake valve

As a core component of the automobile braking system, the stability and reliability of the performan...

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How to solve the problem of air leakage at the exhaust port of the hand brake valve

30

Sep

How to solve the problem of air leakage at the exhaust port of the hand brake valve

Leakage from the handbrake valve exhaust port is a common and important fault phenomenon in the auto...

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What are the effects of environmental factors on the use of relay valves

23

Sep

What are the effects of environmental factors on the use of relay valves

As a core component in pneumatic and hydraulic systems, relay valves are widely used in many fields ...

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What are the precautions for maintenance and care of relay valves

16

Sep

What are the precautions for maintenance and care of relay valves

As the core component of the pneumatic system, the relay valve plays a vital role in the field of au...

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What tests are needed before solving the parking release valve leakage problem

09

Sep

What tests are needed before solving the parking release valve leakage problem

The parking release valve is an indispensable key component in the hydraulic system, and its perform...

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