EDSV---Taiwan specialized rubber seal manufacturer. EDSV---Producing and selling rubber O-Ring (various countries' standard), X-Ring, rubber elastic ring, PTFE elastic ring, rubber ball, rubber even filling piece and rubber miscellaneous items. EDSV---The production uses rubber raw material all for imported the sizing material, has NBR, HNBR, FKM(VITON), FFKM, SI, EPDM, PU, PTFE. EDSV---sale healthy bamboo charcoal products.