Product introduce: Corrugated sheets are roll formed by roll forming machines, the thickness and color can be different, these panels are featured with easy installation, high strength, more economic , (low lost ). They are widely use as the wall or roof of factory, warehouse, garage, exhibition center, cinema etc. Raw materials: galvanized steel, galvanized steel, galvanized pre-painted sheet and aluminum sheet. producing area:China payment:30% deposit, balance before delivery supplying capacity:100,000m/month