Hungpai Chemistry Co., Ltd was founded in 1995, concentrated on producing silane coupling agents and related pre-dispersing rubber granules which can greatly improve physical and mechanical properties , the adhesive strength of inorganic and organic materials, the process ability of rubber compound s and the reinforcing properties of fillers; chemical antioxidant with perfect defend effect from the light, heat, oxygen and bend; high-efficiency anti-adherent with the best adherent function and suitable for most kinds of rubber products; micro crystalline wax which can form a flat physical safeguard film on the surface of rubber product after vulcanization to prevent ozone chapping effectively ;accelerator and related pre-dispersing rubber granule and other rubber chemical additives.