Al-Mg-Mn Alloy Sheet for building ,The corrugated steel sheet is made by cold-rolled steel plate, electro-galvanized steel plate, hot-dip galvanized steel plate or galvanized steel plate as substrate after surface degreasing, phosphating, chromate treatment, and coated with organic coating. .
Metal roof panels have been used for centuries, protecting fine buildings around the world. For your home, cottage or business, there is no other roofing material that can provide the same long-term value, style, durability, weather protection and ecological benefits that today's metal roofing systems offer.