Diammonium Phosphate, 46% Urea, NPK Compound Fertilizer manufacturer / supplier in China, offering Industrial Grade Low Biuret Coal Based Automotive Grade Urea for Car or Glue, Agriculture Grade Urea in Fertilizer Granular Urea 46.3% CAS 57-13-6, Urea for Adblue/SCR Agricultural/Automotive Grade Urea 46% 46-0-0 Granular and so on.