... faucets, toilets, fittings, pipes, showers and other industry accessories, and auto partsMaterial: silicone,NBR, Viton, HNBR, EPDM, SBR, NR, PA, PU ... mold; compression and injection molding; SH-A and IRHD hardness tester; Rheometer; Projecter etcToolings: more than 4000 molds to o rings ...