... DNV ISO9001 ,API, AZ,CE Materials:PTFE,Rubber Supplier of CNOOC,SINOPEC,CNPC,China national aviation fuel, etc. - ... Cast steel trunnion ball valve- Processing: Long delivery pipes of natural gas- Method: Handle operation ,Worm gear operation,Pneumatic and ... type :Water,Oil and natural gasAntisulphur type :Natural gas containing H2S and CO,PetroleumMOQ10 PcSupply Ability2800T/YearPayment TermsL ...