... CMM Customized metal box process with sheet metal fabricationMaterial: SPCC, SGCC, SECC,Stainless Steel, Carbon Steel, Mild Steel, ... treatment → product checking→ packing →deliveringMaterialCarbon Steel, Stainless steel, Alloy steel, Aluminum, Aluminum alloy etc.Equipment1 Laser ... punching Machines, 2 NC bending machines, 1 steel forming machineSurface treatmentZinc plating, Anodization, Chemical fim ...