... as the class-1 supplier for CPMEC,CNPC - Type:Cast steel trunnion ball valve- Processing: Long delivery pipes of natural gas- Method ... GB,API,ASME Face to face Flange connection/Welded connection Ball valve ModelQ47FCertificateDNV ISO9001:2000, CE ,API,LRQA,TSSuitable medium General ... PcSupply Ability2800T/YearPayment TermsL/C,T/T "Class 300" trunnion forged steel ball valve for gas pipeline