Bop, Mud Pump, Casing Centralizer manufacturer / supplier in China, offering API 5CT Aluminum Pipe Wrench (18" 5000 PSI, NACE MR0175, Shale Gas), API 7K Pulsation Dampener (4130 Steel, 5000 PSI, NACE, F-1300/Hydril K), API 13c Shale Shaker Screen (316L Steel, 80-120 Mesh, NACE MR0175, VSM 300/Brandt Cobra) and so on.