The most professional Downhole Motor in China! Zoucheng Dongyuan Petroleum Machinery Co., Ltd. is a high-tech. Company specializing in Positive Displacement Motor, as well as relevant fittings, for onshore and offshore oil drilling. It has been taking the role as one of the most reliable tier one suppliers of SNOPEC and CNPC. ...
Main Products/Service: | downhole motor,power section assem,by-pass valve assemb,tungsten carbide bea,drive shaft assembly |