This type of machine is suitable for processing natural or colored flat bags and T-shirt bags made of cylindrical HDPE/LDPE, especially for processing the Japanese garbage bag. The machine is controlled by PLC and has four servo motors. The control panel adopts imported touch screen, which is more convenient to operate. The folding is highly accurate, and no manual sorting is required. The feeding is precisely controlled, without the mistake of breaking the material. The flat or T-shirt bag can be folded three times. (The large bag becomes small one.) The minimum length of bag is 430mmoptional model