Potassium Humate, Calcium Ammonium Nitrate, Urea manufacturer / supplier in China, offering Agriculture Calcium Nitrate Granular Natural Soil Conditioner Enhance Growth of Plants, Watersoluble Fertilizer Phosphate Fertilizer, Monoammonium Phosphate Map CAS 7722-76-1, 0-52-34 Fertilizers, Potassium Dihydrogen Phosphate, MKP and so on.