Petroleum Machinery, Fishing Tool manufacturer / supplier in China, offering Czj546 Opening Type Quick-Rotating Make up and Break out Machine 73-546mm Hydraulic Bucking Unit, Czj546 Pipe O. D. 73-546mm Opening Type Quick-Rotating Make up and Break out Machine Downhole Drilling Tools, Oilwell Drill Pipe Drill Collar Drilling Jar Downhole Tools Make up Break out Machine Bucking Unit 360° Hydraulic Bucking Unit Machine and so on.
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