This model is made of all stainless steel, resistant to harsh environments, long-term continuous use, and high stability. It is currently the leading domestic model. This machine has the advantages of superior functions, convenient maintenance, simple operation and wide application. It is suitable for flexible packaging materials such as plastic composite thin wax or plastic aluminum foil bags, anti-static bags. Vacuum packaging for solid, liquid, powder, paste, electronic products, circuit boards, SMT patch trays, toys, tea, food, fruit, chemical products, electronic components, precision instruments, etc. The packaged product can prevent oxidation, mildew, corruption, moisture, and vibration, and can maintain the quality and freshness to extend the product storage period.