... ,stamping 3.Certificate: ISO9001:2008 4.Inspection:CMM Customized metal box process with sheet metal fabricationMaterial: SPCC, SGCC, SECC,Stainless Steel, Carbon Steel ... steel, Aluminum, Aluminum alloy etc.Equipment1 Laser cutting machine, 3 plate-shearing machines, 3 NC punching Machines, 2 NC bending machines ...