... letter bending machine 1.For both notching and bending 2.For aluminum,steel, iron plate and other metal. Channel letter ... speed10~40M/MIN11MaterialsStainless steel,aluminum extrusion, galvanized sheet,aluminum sheet …etc12RangeTypes of channel letters made of metals ... plate,aluminum sheet,et Auto bending machine is an advanced advertising equipment ,especially for Channle Letter Fabrications. It ...