Gold Member Since 2016
Audited Supplier

Yuefeng Valve Manufacturing Co., Ltd.

Trunnion Ball Valve, Forged Ball Valve, Welded Ball Valve manufacturer / supplier in China, offering Bare Stem Trunnion Ball Valve, Long Stem Buried Ball Valve Natural Gas, All Welded Long Stem Ball Valve for Underground and so on.

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Quality Control

Hardness testing [Jul 22,2016]
Hardness testing
Hardness testing can be performed with a portable Rockwell tester to determinate the hardness of a material.