Oilfield Products, Drill Rig, Petroleum Equipment manufacturer / supplier in China, offering 2" Chiksan Swivel Joints Style 50, 15K, H2s, API 5CT Tubing and Casing Pipe Coupling for Oil and Gas, API 5dp Drill Pipe Size From 2-3/8′′ to 6-5/8′′ and so on.
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