Zinc Borate, Ammonium Polyphosphate, Magnesium Hydroxide manufacturer / supplier in China, offering Zinc Borate for PVC Cable Production, Ammonium Polyphosphate Flame Retardant for UL94-V0 Polypropylene Material, Fire Retardant Zb2335 Zinc Borate for Plastics / Rubbers and so on.