China Fangzheng Valve Manufacturing Co.,Ltd.(FZV),having perfect quantity management system,are certified by ISO9001,API6D,CE/PED,ISO14001,API6A,AZ,etc successively.Nowadays, FZV Valve has over 30quantity control engineers and appoint hi-tech QC consultant from Japan. FZV Valve has a test lab for material chemical composition analysis and quantity examination equipments, such as RT, UT, MT, PT etc. The photos as follows..

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