Available material Nbr Hnbr Epdm Silicone Viton/fkm Neoprene(cr) Sbr Nr *available for rohs/reach compliant *for other specified materials, please ask for recommendation Tooling/production *existing tools for as568, metric & jis b 2240 standard sizes (tolerance according to standard specs.) *non-standard sizes are acceptable but need to build tooling(s) (tolerances according to specified or/and discussed) *please advise material requirements (astm callout) *isir, ppap level iii available Founded in 1973, techken industrial co., ltd. Is a taiwan-based professional manufacturer. Our 2 factory is located in thailand, there are occupies over 25, 000 square feet and more than 600 employees, including strong r&d team, qc, qa, and completed production lines. Also, we are ts16949 & nsf61 certified manufacturer specializing in kinds of rubber parts. We are committed to offer excellent product quality and competitive price to help our customerâ??s increase the competitiveness of enterprises! *we have iso/ts16949:2009 and nsf61 certified. *our materials have ul/wrc/nsf/fda approved, and available for rohs/reach compliant. *main product: various rubber parts--seals, gaskets, grommets, o-rings, bushings, diaphragms, rubber bundle metal.