Cathay Mechanical Seals (CMS) is a joint venture of Italy, Germany and China, specializing in developing, designing and manufacturing of high quality mechanical seals. Established in 2005, our mission is to provide the best sealing solutions at competitive price for customers worldwide.

Our partners ROTEN S.R.L and ROTEN-MSG have more than 60 years experience in the field of mechanical seals. We are proud to say that CMS is able to assist customers with the most advanced sealing technologies.  

CMS product lines include pusher seals, bellows seals and cartridge seals, covering applications from clean water to high temperature and corrosive environment. CMS products comply with API 682, DIN24960, ISO3069, BS5257 and GB6556. We also supply seal components for maintenance use. The diverse material combinations enable us to serve different industries, such as water treatment, food processing, petrochemical, power, pulp and paper, pharmaceutical, automotive, marine, etc.

CMS is carrying out ISO 9001: 2000 Quality Assurance Systems. Since established, we already set up an integrated system of traceability. To guarantee our products quality, we use the best raw materials and state-of-the-art manufacturing process for all components of our products. Meanwhile, we are constantly improving cost-effective process to lower customer's purchasing cost and producing reliable products with extended seal life to reduce customer's maintenance cost.

In today's increasingly competitive market, CMS is devoted to meet customer's demands not only by quality and price, but also by our service. We welcome your inquiries and look forward to working with you.