All of our machines are made of top quality components, it features 2T welding then milling built-in 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 long life cycle of our machine. https://vacuumpackagingmachine12222.wikicarrier.com/439417/top_food_packaging_machine_manufacturers_secrets