... shaghai factory 1.Certificate:TS16949 2.heat resistant rubber 3.Customized rubber gasket YiSen rubber and plastics good Ltd, in the middle ... .We still manufacture specially oil seal ,O-ring ,rubber panel ,rubber seal product made of Si-F special materials.Our ... Factory:Product Information NameRubber molded parts,Rubber electronic parts ,Rubber shower partsMaterialEPDM,NBR,SBR,CR,NR,SIL,VT ...