Sanyuan Yinda Petroleum Machinery Co., Ltd., since 1993, is a professional manufacturer of mud pump parts, integrating research, manufacturing and trade together. The main products of our company are ceramic cylinder liner, bi-metal mud pump cylinder liner, valve assembly, piston assembly, hydraulic cylinder, rod and other mud pump parts. Our company can also manufacture various special and nonstandard mud pump parts as our customer required, and got the first class supplier qualification of BOMCO, CNPC and Sinopec.   Our company has a professional team and advanced mechanical equipment. With these super strength of our company, and the feedbacks of customers, We constantly improves the technology and quality of our products. Our company carried out the API7K standard strictly to manufacture, testing and managing and our company has passed the API7K certification of American Petroleum Institute and the German Rhine third-party entity certification（TüV Rheinland AG）.   Yinda Petroleum Machinery Co., Ltd., focuses on mud pump parts for 15 years, with the quality policy “quality first, customer satisfied, development consolidated, continuous improvement”, the company development goals “become the world-class supplier of mud pump parts”, and service philosophy “beginning with customer needs, end to customer satisfaction, exceed customer expectations”. We sincerely wish to have win-win cooperation with domestic and foreign colleagues, to work together and do our best to provide customers with quality products and services.   We warmly welcome customers to contact us. Looking forward to working with you!