... CAM hook,cold room door 5. Functions: freshkeeping storage for food refrigeration, industry refrigeration, fresh preservation of ... fruits and vegetables, large supermarket, cold storage of hotels ect. 6. Compressor brand: Bitzer,Emerson ... ,R404A,Glycol secondary refrigerant 9. Defrost type: Electric defrosting,water defrosting 10. Excellent quality ,Dependable performance,Easy ...