All of our machines are created of top quality resources, it involves 2T welding then milling integrated molding frame, Japanese 20CrMnTi CNC precision machining cam , 4-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which ensure that with the extensive life cycle of our machine. https://www.linpack.com/news/how-vacuum-packaging-machines-are-transforming-food-preservation