... rubber accelerators since 1990. Produce rubber antioxidant since 1995. RUBBER CHEMICALS Mainly used for in the manufacture of tires, tubes, ... and hoses etc. We, DALIAN RICHON, are a professional rubber chemicals supplier. We specialize in products include rubber accelerators: MBT, ... with you. Company: DALIAN RICHON CHEM CO., LTD.Address: I/10F, CHINABANK PLAZA, 15 RENMIN ROAD, DALIAN CHINA.TEL:+86 ...