... panel, good heat preservation; 4. CE certificate. Combined cold room: a. Panel: polyurethane insulation foamed by high pressure, density ... : Painted galvanized steel.d. Door: Convex door, hinge door and sliding door available.e. Compressor: Copeland, Bitzer. Advantages of ... , Mexico;Professional team for solution design, production, installment and after-sale service. Fruit And Vegetables Cold Room