... Machine for metal letters 2.Thickness:0.5-5.0mm 3.Width: 20-150mm 4.Material:steel,aluminum,galvanized, iron ... Speed10-40M/MINMaterialstainless steel,aluminum extrusion,galvanized sheet, aluminum sheet,iron plate etcRangeTypes of channel letters made of metalsFeatures: ... materials, such as aluminum extrusion, iron extrusion even stainless steel extrusion. C) It is equipped with the infinitely variable ...