Pump Part, Valve Part, Casting Parts manufacturer / supplier in China, offering 2021 API 7K Standard Safety Clamps for Drill Collars, Tubing, Casing Pipe Oilequipment, High Quality API C-Type Safety Slip Drill Collar Pipe Safety Clamp, API 7K Safety Clamp Oilfield Rotary Slips Type MP for Drill Collars Oil Drilling Rig Tools and so on.
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