1. Place of origin:china valve of township 2. Certificate :ISO9001 ,CE 3. We often take Large-scale exhibition Pneumatic 3PC ball valve 1,Bore: ND10~100mm2,Pressure:1.6~6.4MPa3,Body material: Carbon steel(WCB),ATAINESS STEEL (CF8,CF8M,CF3,CF3M)4,Seat material: PTFE,PPL,HY5,Model...