... machine applications:1.fertilizer: Potassium Sulfate(SOP), potassium chloride, Russia red potassium, potassium nitrate, ammonium chloride, Ammonium Phosphate Monobasic, Diammonium phosphate(DAP), NPK compound ... acid etc.2.powder material zinc oxide, lead oxide, calcium chloride, calcium phosphate, High test bleaching powder, cryolite, chemical inhibitor, silica ...