Drill Collar, Drill Pipe, Kellys · More · Company Introduction
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Drill Collar Manufacturer, Drill Pipe, Kellys Supplier - Bobby Special Steel Pipe (China) Co., Ltd. is listed as a manufacturer/factory.
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Main Products: Drill Collar, Drill Pipe, Kellys, More, Company Introduction, Production Capacity, We're a Sino-German joint venture, completely equipped for manufacturing and exporting of:, -Drill Collar, Non-Magnetic Drill Collars, Spiral Drill Collar, Spiral Drill Collar With Elevator &Slip Groove;, -Integral Heavy Weight Drill Pipe, Integral Spiral Heavy Weight Drill Pipe, Kellys;, -WZ Type Integral straight blade stabilizer, Integral spiral blade stabilizer, Replaceable sleeve spiral ..., We're a Sino-German joint venture, completely equipped for manufacturing and exporting of:, -Drill Collar, Non-Magnetic Drill Collars, Spiral Drill Collar, Spiral Drill Collar With Elevator & Slip Groove;, -Integral Heavy Weight Drill Pipe, Integral Spiral Heavy Weight Drill Pipe, Kellys;, -WZ Type Integral straight blade stabilizer, Integral spiral blade stabilizer, Replaceable sleeve spiral stabilizer;, -Tool Joint, Cross-over sub, Drill tool lifting sub;, Etc., All above product ranges we produce in strict technical control with German managment standard. We have got ISO9001: 2000 quality system certificate and API (American Petroleum Institute) spec7-1 system certificate. Technical specification and parameters of our excellent products are avaliable on your request., More, , Less,