... free, high effecient cooling system low noise Small ice crean display freezer YT-SD55ASpecification: Capacity:55LCooling by compressor, Refrigerant:R134a/R600a ... the largest professional manufacture of Display Cooler, Mini fridges, wine coolers, ice makers etc for more than 10 years, ... well as testing systems. Such as mini fridge production line and test systems, ice maker production and test systems, ...