Integrative SWRO can suck up deep sea water or offshore seawater which produced water quality is similar to the municipal tap water. This type SWRO capacity is 5-500m³/d which is mainly made up of the pre-filter, high pressure pumps, security filters, desalination membranes, pressure vessels, control systems and other components. All of the components concentrate in a skid frame. Its characteristic is compact structure, small floor space, automatic control, simple operation, and easy maintenance which is suitable for marine and offshore drilling platforms freshwater production.