Bop, Mud Pump, Casing Centralizer manufacturer / supplier in China, offering Drilling Equipment Rig Parts Yg135, Yg160, Yg180, Yg225, Yg315, Yg450, Yg585, Yg675 Hook Block /Travelling Block /Hook, API 7-1 3 1/2inch Nc38 Heavy Weight Drill Pipe, Oilfield Oil Drilling API 5dp 7-1 Wholesale Price Oil Drilling Pipe/Rod 4 Heavy Weight Drill Pipe and so on.
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