prefabricated steel structure Sandwich wall panel cladding Q235B/Q345 H beam ... workshops, warehouses, office buildings, large supermarkets, logistics warehouses, showrooms, hangar, etc. The steel structure warehouse can save time and can be installed ... / PU sandwich boards of 50mm, 75mm, 100mm.Steel structure warehouse Features: 1) Prefabricated and customized design 2) Low foundation cost, thanks ...