... FC, CF8, CF3, CF8M, CF3M, etc.Ball and Stem: SS304, SS316, SS304L, SS316L, etc.Valve Seat: PTFE / RPTFE / PCTFE / PEEK / ... DEVLON, etc.Operation: Manual, Above 10 with gear operationApplicationOffshore / Oil / Gas / Chemical ... certificates of CE, ISO 9001:2008. Fuzhou Lilai Valve Fittings Co., Ltd.Quanzhou Xinglai Hardware-Founding Co., Ltd ...