Shanghai Hongsheng Industry Co., Ltd. is a Chinese leading industrial corporation which specializes in manufacturing, marketing and developing special rubber and plastic products. I.FKM precompound & compound: *we are committed to developing and producing high quality FLUORON TM fluoroelastomer (fluorocarbon rubber, or FKM) precompounds, compounds and silicone rubbers, and offer professional service to meet your needs. *Meanwhile we supply you full package of FKM additives, including pelletized curatives to help you design properties you need. *We are proud to have a group of professionals with full know-how of FKM polymer and compounding technique, practical application technologies as well as international quality standards and specific requirements of the market. *We treat stable quality as life of our enterprise and your needs as our working standards. Please check ou