... chloride, Ammonium Phosphate Monobasic, Diammonium phosphate(DAP), NPK compound fertilizer, import Russia Potassium Sulfate(SOP), ground phosphorite, NH4SO4, ... concentrated superphosphate, humic acid etc.2.powder material zinc oxide, lead oxide, calcium chloride, calcium phosphate, High ... fine chemical material4.FGD gypsumNote: It takes potassium sulphate(SOP) for example, vary in accordance with the ...