The registration address of zhengzhou purge and environmental technology ltd. Is located at the state university science and technology park (east region) building no. 9, no. 289, western third rim of zhengzhou new technologies industrial development area. The registration authority is the market supervision authority for the high technology industrial development area of zhengzhou city. The legal entity is represented by zunana, and its operations include sales of water purification equipment, softening equipment, filtering equipment, sewage treatment equipment, ultra-purified water purification equipment, water treatment equipment and spare parts, electrical automation equipment, valves, instrumentation meters, chemical products (except for flammability, implosionability, resistance and dangerous chemicals); water treatment technology services; and water treatment engineering services。