Certificate:DNV,ISO9001,API,CE Material;GB,WCB Supplier of CNOOC,SINOPEC,CNPC,China national aviation fuel,etc. - Type ... :Forged steel floating ball valve - Processing: Long delivery pipes of natural gas- Method: Handle operation ,Worm gear operation,Pneumatic and ... ISO9001:2000, CE ,API,LRQA,TSSuitable medium General type :Water,Oil and natural gasAntisulphur type :Natural gas containing H2S and ...