... , High reliability 2. competitive price 3.safe operating marine refrigeration1.cold storage refrigeration units; 2.High reliability and safe ... . Applied cold storage temperature:-50C~-10C, e.g. frozen meat, fish, food3. Refrigerant: R22, R134a, R404a, R507a4. Power supply: 380V~440V ... Installation.Our customers:KFC, McDonalds, 3M, IKEA, Rohm & Haas. marine refrigeration