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 of your prolonged everyday living cycle of our machine. https://griffinfuiug.wikigop.com/1208507/little_known_facts_about_vacuum_packaging_machine