oil seal china

Is manufacturing oil seals, seals and buffer units for automobile. With over 10 years’ research and development on the rubber parts of automobile, our “COS” brand products are equipped to the products of SINOTRUK, Shanghai Zhenhua Port Machine, YUEK Axle and many mainstream axle.and exported to many countries and won the trust and praise of customers.

COS now has automatic vacuum type oil seal compression molding machine, sizeable vacuum compression molding machine, automatic type cutting machine and digital precision machine tools. Adopted advanced technology, testing equipment and management, it has been proved by ISO9001:2000 Quality System.

COS will as always insist on the motto “Quality First, Customer First, Keeping on Improvement, Seeking Perfect” and “Meticulous Design, Excelsior Manufacture, Accurate Test, Good faith Service”. To make the first class products to our customers.