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Henan Shenlong Petroleum Drilling Tools Co., Ltd, a U.S.-China joint enterprise, is one of the leading manufacturers of high quality petroleum drilling tools based in mainland China. We are dedicated to servicing the oil and gas exploration and oil drilling industries on a global basis. Our main products include Slick Drill Collar, Spiral Drill Collar, Non-Magnetic Drill Collar, Heavy Weight Drill Pipe,Stabilizer, amongst others

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Non-Magnetic Directional Drill Collar Spiral or Flex Drilling Tool of Oil Well Operation - China Non-Magnetic Drill Collar, Non-Magnetic Drilling Pipe

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API Standard Flex Non-Magnetic Drill Collars /Heavy Weight Drill Pipe/Nmdc - China Non-Magnetic Drill Collars, Drill Collar

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Non-Magnetic Drill Collar Slick/Spiral/Flex Type - China Drill String, Rotary Table

Non-Magnetic Drill Collars Functions & Selection - Drilling Manual

Best Non-Magnetic Drill Collars & subs - Manufacturer and Supplier