金属外包装盒的顶部封闭,无开口,盒身上有两圈撕裂线,两撕裂线间的撕裂带上有一处断口,断口的一侧设有撕裂拉手。这种金属外包装盒采用撕裂法开启,无法复原利用,有利于名牌产品的包装防伪,同时还可利用金属材料的压延性、拉伸机表面处理性能,更丰富了包装的花色品种,实现高档包 The top of the metal packaging box is closed and has no opening. There are two loops of tear line on the box body. There is a fracture on the tear strip between the two tear lines. One side of the fracture line is provided with a tear handle. This metal packaging box opened by tearing method, can not be reused, is conducive to brand-name products packaging security, but also can use the metal material ductility, tensile surface treatment performance, enrich the variety of packaging colors, to achieve High-end package