Gowin ensures the finest valve production and performance. The advanced in-house laboratory, accredited under ISO17025, conducts comprehensive chemical and physical tests, along with impact, hardness, metallographic, corrosion, HIC, and SSC analyses. With our own NDE team holding international certifications, we guarantee precision and safety throughout the entire manufacturing process.

Our dedication to professional quality control sets us apart from the stringent laboratory testing to in-house assessments, such as the following:
●Valve body and sealing tests
●Function tests
●Torque tests
●FET
●Anti-static tests
●Cryogenic treatment