Bop, Mud Pump, Casing Centralizer manufacturer / supplier in China, offering API 7-1 Full Gauge 17- 1/2" Integral Blade String Stabilizer, Integral Forged Flowline Pup Joint of 4FT Long with 2" Fig602 Hammer Union, Elevator Wire Rope 8X19W+Iwrc 1770MPa with Carbon Steel and so on.