... and no more decoration, long sevice life,widely applied for building freezer, insulation workshop, clean workshop, storage,cottages, ... 100mm, 120mm and 150mm.)2Polyurethane foaming material used for filling the interstices between anatomizes.3Various cornerite (steel ... “Bizter”.7Ceiling unit cooler.. Copper pipes with aluminum radiating fin, Outer shell is quality steel plate with plastic covering, ...