... building materials: AAC (ALC) block and panel, to be used as external and interior wall panel and roof panel Latest building materials:AAC ... various kinds of building such as industrial construction,civil housing,hospitals,hotels, apartments,schools,supermarkets and so on . AAC panel ... installing with gypsum adhesive,U-CARD,hook head bolt and double head bolt due lightweight Packing :in pallet 1x20 ...