China Fangzheng Valve Manufacturing Co.,Ltd.(FZV),stablished  the perfect quantity management system. FZV passed the ISO9001,API6D,CE/PED,ISO14001, API6A,AZ,etc.attestation successively.Now,FZV has Quantity Controlengineers more than 30,and appointed the high class QC adviser from Japan. FZV has a test room for the material chemistry composition analysis and has quantity examination equipments, Such as RT, UT, MT, PT etc. The picture is as follows..

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