Water production for the 0.5T / H bipolar reverse osmosis equipment to tap water as raw water, product water conductivity of less than or equal 1us / cm, complete equipment line for stainless steel SS316 material, electrical automatic control system of Siemens PLC, Kunlun-state touch screen, AC contactors, relays and other components to improve reliable control system, the system is running without human duty. Shelf life of 3 years.