Jiyuan Huaxin Hydraulic Engineering Co., Ltd, is a down hole drilling tools manufacturer offering a full range of Drill collars, Kellys, Heavy weight pipes, Rotary subs, Pup joints, Stabilizers and many customized ...

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, ...

integrating design, develop, manufacture and service with advanced equipment, perfect monitoring method and strong technological foundation. The company was awarded the Advanced Technology Enterprise by China Ministry ...

blade or blade free castings. Product process control adopts stability statistics analysis and modified control methods; product quality control adopts strict inspection system that demands 100% product inspection and ...