... energy round 30-40%.1 Cold room insulation material: Polyurethane, color steel, stainless steel, aluminum plate embossed to ... Room panel is made from import pipelining, auto-perfusion foaming, import black material, double-side pressed coloured steel panel ... The thickness is generally 100mm, 120mm and 150mm.)2Polyurethane foaming material used for filling the interstices between anatomizes.3Various ...