All of our machines are created of high quality elements, it includes 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 be sure of your extensive lifetime cycle of our machine. https://jeffreylzjsa.wikiannouncing.com/5911510/the_ultimate_guide_to_tray_sealing_machine