China, API 594, Dual Plate, Double Plate, Wafer, Flange, Lugged, Check Valve, Pabrik, Pabrik, Price, RF, RTJ, trim 1, trim 8, trim 5, PTFE, Viton, Metal, kursi, bahan katup duwe baja karbon, baja tahan karat, A216 WCB, A351 CF3, CF8, CF3M, CF8M, A352 LCB, LCC, LC2, A995 4A. 5A, A105(N), F304(L), F316(L), F11, F22, F51, F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminium Bronze lan campuran khusus liyane. Tekanan saka Kelas 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB