Ion-exchange equipment is a kind of equipment adopts ion exchange in the water treatment industry. Exchange agents are applied to carry out exchange, absorbing and combining to achieve the goal of condensation, separation, purification, refining, decoloration and catalyze. The exchange agents include positive bed, negative bed and mixed bed. You can select different flows according to different user's demands and qualities of source water. Nowadays, it has been widely used in industrilized water treatment, electric industry, metal smelting, saccharide refining, food-processing, A-energy, science, chemistry and biology, medicament refining, chemistry producing, medicine and sanitation and environment protection for pure water preparation, hard water softening, and sewage treatment.