Potassium Aluminum Fluoride, Potassium Cryolite, Synthetic Cryolite manufacturer / supplier in China, offering Chemical Product Aluminium Fluoride Used as Special Additive in Optical Materials, Fine-Grained White Powder Aluminium Fluoride Alf3 Used as a Significant Raw Material, Wear-Resistant Aluminium Fluoride Used as a Surface-Hardening Agent in Machinery Parts and so on.