... :2008 4.material :Spcc/SECC/AL 2012 Aluminium housing for computer description:1process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling ... drawing , spot or seam welding are available 6.EquipmentWe own laser machine 2 sets, CNC punch machine 6 sets7itemtool sheet metal ... visit our company. our products show: 2012 Aluminium housing for computer