ABOUT US

Zhangjiakou Zhongjia Petroleum Machinery Co., Ltd. is located in Shanghai, China. It is a company engaged in the R & D, production and sale of oil drilling mud pump accessories. For a long time, the company has formed its own unique manufacturing process in the production of various types of fluid end modules, herringbone gears without undercut, welded crankshafts and high-pressure liners, which all improved the service life of the products in actual use .Especially in the production of accessories for deep well and high pressure mud pump...