Suitable for corner sealing and labeling of various packaging boxes, widely used in industries such as pharmaceuticals, daily chemicals, logistics, etc; Adopting a flexible top pressing device ensures the stability of the box body during labeling, greatly improving labeling accuracy; Can complete four sealing and labeling forms: upper surface sealing, lower surface sealing, and two diagonal sealing and labeling; Flexible selection of heat transfer printing and coding machines or inkjet printers; The overall material of the equipment is made of international standard S304 stainless steel and imported aluminum alloy, with double layer anodizing treatment, without rust or deformation.