... Width: 20-150mm 4.Material:steel,aluminum,galvanized, iron Introduction:Automatically Double-side Notching Bender Machine is ... MINMaterialstainless steel,aluminum extrusion,galvanized sheet, aluminum sheet,iron plate etcRangeTypes of channel letters made of metalsFeatures:1.Double ... for metal extrusion materials, such as aluminum extrusion, iron extrusion even stainless steel extrusion. C) It is ...