All of our machines are created of top quality materials, it features 2T welding then milling integrated molding frame, Japanese 20CrMnTi CNC precision machining cam , four-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which be sure on the prolonged life cycle of our machine. https://directoryprice.com/listings588836/tray-sealing-machine-no-further-a-mystery