Ammonia nitrogen fertilizer plant after production to produce waste water, the state regulatio enterprises should discharge ammonia nitrogen concentration should be less than 70 mg. L- The concentration of ammonia nitrogen in industrial wastewater should be less than 25 mg. L-, the effective substances in wastewater should be recycled, so choose the appropriate and effective method to treat high concentratio of ammonia nitrogen wastewater and recover useful substances and their importance. Suzhou Bojie Resin Technology Co., Ltd. provides ion exchange resin treatment of high concentration of ammonia nitrogen wastewater, ion exchange method can not only remove ammonia nitrogen in wastewater, while resin recycled recycled products, waste into treasure, with better economic and environmental benefits.