The main sources of cadmium-containing wastewater are electroplating plant, battery factory, cadmium stearate production plant, cadmium sulfide production plant, and sponge cadmium production plant. Cadmium is poisonous. If people drink cadmium-contaminated water and food for a long time, cause chronic cadmium poisoning. At present, there are many methods for treating cadmium-containing wastewater, but the ion exchange resin method is more economical, more convenient, and better in treatment than other methods. Suzhou Bojie Resin Technology Co., Ltd. provides different cadmium removal resins for different water quality conditions. It has the advantages of large adsorption capacity, low environmental requirements and simple operation. It can effectively remove a small amount of cadmium in wastewater and meet emission standards. The domestic and international markets have been widely used.