High-temperature resistant alloy "L" type sealing blades, neat sealing without cracking, no caramelization, no smoke. Teflon-coated non-stick sealing blades, sealing without adhesive residue; products are automatically conveyed to a shrinkage oven on a conveyor belt after sealing; manual handwheel for easy adjustment of conveyor belt height; precise sealing time control via a timer relay; sliding film support for various sizes of shrink film, smooth hole-punching mechanism; renowned electrical components for stable performance. Suitable for industries such as electronics, hardware, plastics, software, food, printing, pharmaceuticals, flooring, ceramics, and more.