A heating sealing bar contains high-temperature epoxy material, leading to extraordinary sealing performance. The bar is easy to replace and does not affect the machine, capable of supporting a long service life. Controlled by a microcomputer, the sealing machine will automatically complete the entire process. Vacuum time, sealing time and cooling time are adjustable. And a red switch can stop the packing process immediately. This chamber vacuum sealer is made of stainless steel, which is food-grade grade and more . Also, this material is and waterproof, easy to clean, you can use it for a long time. A buckled, clear organic glass lid is designed to stay put when vacuum sealed. Users can observe the whole process through the lid. In addition, the heat flows and is distributed more quickly thanks to the cooling ventilation. Our sealing machine applies vacuum-sealed foods, fruits, pickles, catering materials, electronics and rare metals by using plastic film or aluminum plastic film. Also, it is a great packaging tool in homes, supermarkets, food factories, etc.