质量管理

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Quality Control

 Zhigong Valve is a long-established valve manufacturer. From the first small workshop 20 years ago to the comprehensive and technical service team with integrated production and sales, it is inseparable from the efforts of every generation of workers. The service age is 10% or more and the proportion is not less than 50%. Our company specializes in producing ball valves, globe valves, gate valves, check valves, butterfly valves, power station valves, water conservancy according to China (GB, JB), US (ANSI B16.34, API), Japan (JIS), Germany (DIN) standards. Control valves and other products. The supply range includes nominal diameter 1/2′′~80′′ (DN15~2000mm), class150~class2500 (0.6MPa~42MPa), working temperature -196°C~100°C, the main material of the valve is A105, WCB, C5, WC6 , WC9, 304, 316, 304L, 316L, 2205, titanium alloy, etc., and can be customized according to customer's special requirements.


 The company has advanced valve testing center, and professional technicians implement valve quality testing according to API, ISO and other standards, strictly control the quality of each valve to ensure the interests of customers.


 We create products with the spirit of artisans, serve customers with full enthusiasm, and take the responsibility of improving the level of industrial automation. We are striving to build a good company that contributes to society, protects employees and promises to customers. Continue to improve. We believe that every effort, every drop of sweat, every progress, can bring more added value to the product, and contribute to your success.


 Work on the valve, unite in the city, strive for excellence, and strive for the upper reaches! To be the top valve brand in China and even in the world is the goal that every worker strives for.

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