TCS Oil Seal, CHENG MAO PRECISION SEALING CO., LTD. Founded in 2007 in Nantou City, Taiwan. TCS is a leading oil seal supplier /manufacturer with more than 40 years experiences in advanced oil seals, professional with high quality elements and experiences in the areas of oil seals, packing, U-cups, gaskets, rubber parts and o-rings. With certification of IATF 16949 and ISO 9001, TCS is capable of producing sealing products from design, researching, tooling development, testing, and trial mold to finish products independently.
