All of our machines are created of high quality components, it incorporates 2T welding then milling integrated molding body, Japanese 20CrMnTi CNC precision machining cam , four-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which make sure of the extended lifestyle cycle of our machine. https://www.linpack.com/news/how-vacuum-packaging-machines-are-transforming-food-preservation