Non-magnetic Drill Collars

Our company is currently the largest manufacturer of non-magnetic drill collars. It’s the only one has the material melting - Forging - Heat Treatment - machining - complete product lines and processes, and has the domestic market share of 80 about%.Our company have won the National Natural Science invention prize.

We produced non-magnetic drill collars using self-developed low-carbon stainless steel as API specification and implementation of SY / T5144 standard, which can be cold thread rolling, machine special double shoulder screw thread and by other specifications.