Brief introduction: This machine is made specially for making on roll T-shirt bag, it can make on roll T-shirt bag and flat bag , printed bag and blank bag. Microcomputer stepping motor controlling, the speed is also very good. Features: 1. It has single layer or two layer for choicing. 2. No tensile feeding design. 3. Perforation line always keeps a same distance from the sealing line. 4. sutiable for produce flat bag and T-shirt bag. Optional: 1. Servo moto. 2. automatic change roll system Technical parameter: Type CWLB-500 CWLB-600 CWLB-700 Length of bag-making 200-1200mm 200-1200mm 200-1200mm Width of bag-making 450mm 550mm 650mm Speed of bag-making 120pcs×2/min 120pcs×2/min 120pcs×2/min Total power 2.5 KW 3.8 KW 4.5 KW Weight of machine 850KG 900KG 950KG Dimension of machine (mm) 3300X1100X1500 3300X1200X1500 3300X1300X1500