Rosinpack is a professional vacuum forming manufacturer specializing in PET Stand Up self standing three fold buckle vacuum forming packaging. It is a new transparent PET hard sheet that is vacuum formed in one piece. It adopts a front/bottom/rear three fold triangular support structure and comes with a Stand Up self standing base. It is matched with a mold to form a lock buckle in one piece, which can firmly close and package hardware tools without high-frequency heat sealing. Internally, exclusive limit grooves are made according to the contour of the tool, and the back is equipped with supermarket hanging holes as standard. It can be displayed vertically and hung with hooks, and can be completely flattened and stacked when idle. It supports full-size mold customization of physical objects, drawings, and 3D models, and meets the one-stop packaging needs of hardware brands.