Efficient Heat Transfer**: The mixture of ice and water allows for more efficient heat transfer than solid ice. Flake Ice Makers, Desktop Ice Cube Maker, Mini Tube Ice Machine, Commercial Tube Ice Machine,Ice Maker Making Large Block Of Ice. Square type Cube ice: Typically used in beverages like soft drinks and cocktails, size available: 22*22*22mm, 29*29*22mm, 34*34*22mm etc. The product will supply to all over the world, such as Europe, America, Australia,Latvia, Netherlands,Karachi, Sri Lanka.3. check the Refrigeration System, before that pls check the pressure gauge to see if the pressure are in proper, if no gas there are leakage, once leakage are happens, pls check all the welding points and do the repair welding. if pressure are in order, pls also check the dryer filters, condenser fan and compressor for sure.