... Working platform: 4000mm*2000mm Thickness (max): Carbon steel: 20mm, Stainless Steel: 12mm, Aluminum and its Alloys: 8mm --Tolerance: +/- ... laser cutting service.1.Material: Mild steel,aluminum ,stainless steel,2.Machining process: including laser cutting,bending,welding ... ,Mild steel 2,aluminum 3,stainless steel3Machine1,laser cutting machine 2,CNC machine 3,punching machine 4,sheet-metal shears 5 ...