Potassium Aluminum Fluoride, Potassium Cryolite, Synthetic Cryolite manufacturer / supplier in China, offering High Purity Kalf4 Potassium Cryolite 14484-69-6 for Electrolytic Aluminum Electrolysis, Reagent Grade Synthetic Cryolite 99% Na3alf6 for Slag Removing Agents, Grey Sandy Sodium Cryolite Used as Slag Remover for Casting and so on.