... diammonium phosphateDAP21-53-0Profeesional Phosphate and Nitate salt manufacturer dedicated to the production of NPK fertilizers, MKP, MAP, DAP, Potassium Nirate Speciality Fertilizers ... agent, nourishment, and so on. 3.Used as a high effective non-chloride N, P compound fertilizer in agriculture. 4 ... material for N, P and K compound fertilizer. good quality DAP diammonium phosphate 21-53-0