About the Refrigeration System : The sea water flake ice machine uses a refrigeration system to cool the evaporator. Common refrigerants are environmental friendly gas, R404a, or R507a. or others depending on the design and intended use of the machine. Restaurant Equipment Ice Machine, Crystal Ice Maker, Small Ice Cube Making Machine, Solid Block Ice Maker,Ice Cube Machine Countertop. Food Preservation Tube ice is used to preserve seafood, meats, and other perishable items. The product will supply to all over the world, such as Europe, America, Australia,Washington, Russia,Vietnam, Costa rica.Except prices, Warranties and Spare Parts are essential, OMT ICE offers 12months warranty for our ice making machine, all the refrigeration parts are first class and easy access to spare parts in local, we also have online guidance.