... 3.ISO9001:2008 4.material :Spcc/SECC/AL 2012 Aluminium extrusion Enclosure:1process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling ... , red copper, brass are available.3thickness0.5-15mm4high precision :+/-0.05-0.1mm5Metal processing stamping, deep drawing , spot or seam welding ... customers to visit our company. our products show: 2012 Aluminium extrusion Enclosure