auto parts, 1.Material:Solid and sponge EPDM,soft PVC ... from DSM Netherland;EXXON America and so on. auto parts,1.Material:Solid and sponge EPDM,soft PVC ,hard ... widely used in various kinds of industry,incoulding auto parts,doors,window,machine and construction industry.Rubber seal could ... the machine system,whicn could protect the machine or parts to be healthy and working wellThe advantage of rubber ...