Plastic Bag Cutting Machine (4-roll Cold System Without Bench): This machine is used to produce biodegradable bags (example: garbage bags) as well as flat bags (example: shopping bags). The machine system is fully automatic, which means saving labor and protecting the environment as well. As all the electrical components are branded products, the main motor of this product is based on a variable frequency motor for the purpose of saving more power and also for the purpose of greater freedom to adjust the speed.