Potassium Humate, Calcium Ammonium Nitrate, Urea manufacturer / supplier in China, offering Premium Agricultural-Grade Monopotassium Phosphate Fertilizer for Healthy Crops, Long-Lasting Pigment in Industrial Applications Bone Black/Bone Charcoal, Finely Divided Carbon Particles Bone Charcoal Use in Inks, Paints, and Coatings and so on.