... steel sheet, salinization steel, and embossed aluminum. 2)Quick-freezing cold storage can reduce the thermal conduction due to ... achieve perfect efficiency. 3) The insulation board of quick-freezing cold storage made of rigid polyurethane and polystyrene ... reperfusion insulation board (ie, EPS board), its merits are light weight, high strength, corrosion-resistance, anti-aging, thermal insulation ...