... types:Totally-hermetic, semi-hermetic Semi-hermetic Cold room compressor 1.cold room compressor include total-hermetic piston compressor ... Refrigerant : R134a ,R404A , R22 ,R5027.Applicable objects: flowers, tea, medicine, medicine, medical equipment, chemical raw materials such as ... temperature storage. Refrigerated frozen vegetables food, meat food, cold food, quick-frozen food.Our company is the ...