... the main products in our factory, it is made from Nitrile(NBR), HNBR ,EPDM, Silicone, Fluorine ... ring tooling 2000sets in house, our products conform to AS568,Metric, GB 245201 ... our customs.More about us : Factory history8 yearsFactory area3700m2CertificateISO/TS16949Manufacturing Machines(20sets)Rubber ... rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, SBR, Neoprene(CR),Butyl(IIR ...