... industry fertilizer 2.Nitrogen: 46.6% 3.Biuret:0.9%, 4.Moisture:0.4%, 5.Particle size( 0.85-2.8mm) 98 ... %. 1.Urea 46%min industry fertilizer2.Nitrogen: 46.6% 3.Biuret:0.9 ... %, 4.Moisture:0.4%,5.Particle size( 0.85-2.8mm) 98 ... AddressBinhai District , Weifang CityCompany Signature Inspector Urea 46%min industry fertilizer