|  We have more than 20 years of history. Our product specifications are as many as 30 , 000 kinds ,  the main raw materials are: natural rubber (NR). Nitrile rubber (NBR) ,  hydrogenated nitrile rubber (HNBR). Fluorine rubber (FPM) ,  ethylene propylene rubber (EPDM) ,  silicon Rubber (SI) ,  Neoprene (CR) ,  Styrene Butadiene Rubber (SBR) Butyl Rubber (IIR) Butadiene Rubber (BR) Acrylate Rubber (ACM).      |