... 3.lowest price 4.sandwich panel,roofing material Product name prepainted steel coil materialSGCC,ST12,ETCcoil weight3-8MTcolorYou can choose different RAL colorcoil ... : Workshop, agriculture warehouse,etcInside: Door, doorcase, light steel roof structure, folding screen2). TransportationInside decoration of auto and train, clapboard, container, isolation lairage ...