Potassium Aluminum Fluoride, Potassium Cryolite, Synthetic Cryolite manufacturer / supplier in China, offering High Quality Synthetic Cryolite Na3alf6 99.9% Used as Fluxes for Welding Wires, Gray Powder Kalf4 Potassium Cryolite Used as Emulsifier for Glass, White Powder Sodium Aluminum Fluoride Cryolite for Additives of Grinding Products and so on.