All of our machines are created of high quality components, it involves 2T welding then milling built-in molding frame, Japanese 20CrMnTi CNC precision machining cam , four-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which ensure that of your extensive life cycle of our machine. https://vacuumpackagingmachine01111.bmswiki.com/5036941/sauce_packaging_machines_secrets