Linyi Shuangfeng Rubber & Plastic Products Co., Ltd. has been specialized in silicone rubber products, EPDM, NBR, NR (natural rubber), fluorine rubber (viton/FPM/FKM) and other rubber & plastic products for many years. Our products have passed FDA test report, SGS certificate & ISO: 2000 certificate and the most products are selling well in Southeast Asia, the Middle East, America, Africa, Europe and other countries and regions. Our company will continuously insist on science and ...