All of our machines are made of high quality materials, it incorporates 2T welding then milling built-in molding body, Japanese 20CrMnTi CNC precision machining cam , four-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which ensure of your lengthy lifetime cycle of our machine. SS304 https://wiishlist.com/story19425002/fascination-about-vacuum-packaging-machine