Potassium Humate, Calcium Ammonium Nitrate, Urea manufacturer / supplier in China, offering Boracic Boric Acid Crystalline Agrigrade Boron Critical for Healthy Plant Growth, Boric Acid (H3BO3) Agriculture Vital Micronutrient & Soil Amendment, High Quality Potassium Humate Fertilizer for Soil Improvement & Plant Growth and so on.