Marine seawater desalination equipment is designed according to ship’s particularities, realizing small volume, light weight, less land occupied, convenient installation and strong adaptability. It can be installed on narrow engine room, deck, marine tank or corridor. It takes the advantages such as convenient maintenance and simple management. As long as there is electricity and water, it can produce fresh water immediately after starting. It has a broad range of power supply (220V/60HZ, 380V/50HZ). Dilution water quality accords with national drinking water quality standards (GB5749-85).