Chongqing initial cutting intelligence is selected for the laser welding of advertising words. The laser welding machine of advertising words will weld the word frame and flat characters to form a cylinder shape with a bottom. The frame height of the metal advertising words varies from 15mm indoor to 100mm outdoor. The welding materials of laser welding machine are stainless steel, brass, galvanized sheet, tinplate, white sheet, cold rolled sheet, etc. Mainly depending on the level of advertising words to choose materials.