... ; sectional material; CSTG Casting and so onMetal processing:cutting, milling, turning-lathe, drilling, bending, welding, stampingSurface finish:Zinc plating, chromium plating,polishing ... , spraying, dust collection ,paintingand so onEquipment:CNC flame cutting machines, CNC plasma cutting machines, CNC bending machines, CNC pipe bending machinesCO2 protecting welding machinesShearing ...