1. Convenient operation: Adopting PLC control and human-machine interface to operate the system, making the operation intuitive and convenient; 2. Easy adjustment: Changing the bag size can be completed within 1 minute; 3. High degree of automation: unmanned throughout the weighing and packaging process, with automatic alarm in case of faults; 4. A comprehensive prevention system that can intelligently detect whether the bag has been opened and whether the opening is complete. In case of inappropriate feeding, there is no feeding, no heat sealing, and no waste of bags 5. The packaging part of the machine is made of stainless steel material to ensure the hygiene and safety of the material, and to comply with GMP standards; 6. Equipped with imported tolerance plastic bearings in some components, without the need for oil, to reduce material pollution; 7. Use oil-free vacuum pumps to avoid polluting the production environment; 8. Adopting dustproof and waterproof design, it can be rinsed with water, reducing the difficulty of cleaning and improving the service life of the machine; 9. The main frame adopts an integrated molding process and is repeatedly corrected during the production process to achieve absolute parallelism of the entire machine.