All of our machines are made of top quality supplies, it includes 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 be sure of the lengthy life cycle of our machine. https://www.linpack.com/news/the-top-advantages-of-using-a-vacuum-packaging-machine-for-your-business