用于生产各种塑-塑，纸-塑的已复合材料，是各种中封袋，三边封的理想制袋设备。广泛适用于塑料复合膜、铝塑复合膜、纸塑复合膜等三边封制袋，同时适用于自立袋、凹凸扣袋、拉链袋等异型袋的制造。

Used to produce all kinds of plastic-plastic, paper-plastic composite materials, is an ideal bag-making equipment for all kinds of middle and trilateral sealing. It is widely used in three-sided sealing bags, such as plastic composite film, aluminium-plastic composite film, paper-plastic composite film, etc. It is also suitable for the manufacture of self-supporting bags, concave-convex buckle bags, zipper bags and other special-shaped bags.