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       After more than 20 years of research and development and application demonstration, China has in the membrane seawater desalination technology and equipment and system integration made a major breakthrough, and has developed with independent intellectual property rights of the reverse osmosis membrane element, pressure vessel, pressure pump, an energy recovery device, such as nuclear core components and key equipment, reverse osmosis desalination stand-alone capacity breakthrough million ton mark, and the establishment of the 12500 tons / day demonstration device, as well as the size for Nissan 50000 tons of demonstration projects, system energy consumption of water production, operation cost and other key technical indicators and the world's advanced level synchronization, membrane localization of seawater desalination technology and equipment has been successfully participate in international market competition.