Bop, Mud Pump, Casing Centralizer manufacturer / supplier in China, offering API 6A FC Gate Valve Repair Kit (3-4", TC Alloy, NACE MR0175), API RP 13c Shale Shaker Screen (80 Mesh, 304SS, 3-Layer, Anti-Blinding), En853 2sn NBR Hydraulic Hose (PN16 1.6MPa, Oil/Glycol Resistant) and so on.