LD-1805 (Multifunctional Bender) is equipped with diamond-coating milling and planer tool slotting system at the same time, which allows user to produce aluminum letter return and stainless steel one both efficiently. With capability of working on all materials, such as aluminum plate, aluminum profile, stainless steel coils/plate, galvanized coils/sheet, copper, our multifunctional machine has been applied in many areas with an affordable price. High accuracy, fast speed, smooth & fine bending arcs are the advantages that sign bending machine brings for standard mass production. LD-1802 (spirit bender), LD-1801(Power Bender), for aluminum and aluminum profile. cnc channel letter bending machine/auto letter bender/3D letter printers/sign/signage/cnc router/laser welding machine