PTFE Micro Powder, Food Ingredients, Plastic Additives manufacturer / supplier in China, offering Piperazine Pyrophosphate Premium Flame Retardant for Polyethylene and Polypropylene Resins, Flame Retardant Melamine Polyphosphate for Plastic and Glass Fiber Dovafr Po 313, Fireproof Melamine Polyphosphate CAS 218768-84-4 for Reinforced Nylon Dovamat and so on.