Material: The material of cylinder liner is ZG45 steel, lined with high chromium cast iron. The HRC of cylinder inside liner is 60-65;

 Production Process: The bi-metal cylinder Liner of our company combined with the advantages of abrasion hot-forging out liner and anticorrosion high chrome inner liner. The out liner is made of high quality carbon steel by hot pressing forming. Its tensile strength is over 900000psi. The inner liner is made of high-chromium alloy by centrifugal casting.

 Application: Bi-metal cylinder liner is one of the most widely and largest used mud pump fluid end fittings.



 

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 BOMOCO, 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!