we are leading manufacturer in China for chemical and mineral products,ammonium hydrogen difluoride,ABF,NH4HF2,ammonium bifluoride,ammonium fluoride,AF,NH4F,hydrofluoric acid,industrial hydrofluoric acid,HF,Anhydrous hydrogen fluoride,inorganic acid,inorganic salt,industrial chemical,glass chemical,raw material cheical,catalyst,regent,Acid-grade fluorspar powder,Metallurgical grade fluorite ore block,fluorspar lump,pls contact miss Jo.86-15159920036,jo(at)fj-xinyi(dot)com