All of our machines are made of top quality products, it involves 2T welding then milling built-in molding body, Japanese 20CrMnTi CNC precision machining cam , 4-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which make certain of your lengthy lifetime cycle of our machine. https://vacuum-packaging-machine99864.wikicommunications.com/5328016/the_greatest_guide_to_granule_packaging_machines