... ), colored steel sheet, salinization steel, and embossed aluminum.2)Quick-freezing cold storage can reduce the thermal conduction due to ... outside, to achieve perfect efficiency.3) The insulation board of quick-freezing cold storage made of rigid polyurethane and polystyrene composite ... performance (1 <=0.024Kcal/mhC).4) The thickness of quick-freezing cold storage specifications: 60,75,100,120,150,180 ...