Standard: According to GB/T 17748-2008 standard Specification: 1) Aluminum skin thickness: 0.50x0.50mm, 0.40x0.40mm, 0.30x0.30mm, 0.21x0.21mm, 0.15x0.15mm. 2) Width: 1220mm (regular), 1570mm (Maximum). 3) Length: 2440mm (regular), and tailored by customers' offers. 4) Normal color: 31 kinds for ACP and 7 kinds for Granite Grain Panel. 5) Standard size: 1220mm (Width) x 2440mm (Length) x 3mm (Thickness), and 1220mm (Width) x 2440 (Length) x 4mm (Thickness); 6) Non-standard sizes and special colors are available depending on customers' offers. Scopes of Application: 1) Constructional exterior curtain walls. 2) Decorative renovation for storey-added old buildings. 3) Indoors decoration for interior walls, ceilings, bathrooms, kitchens and balconies. 4) Advertisement board, display platforms and signboards. Billboards, exhibition desks and notice boards. 5) Wallboard and ceilings for tunnels. 6) Raw materials in industrial purpose. 7) Elevator shaft, escalator panels, car and ship bodies. Materials used for vehicle and boat.x0.21mm, 0.15x0.15mm.