All of our machines are made of top quality materials, it features 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 ensure of your very long lifestyle cycle of our machine. https://www.linpack.com/news/streamline-your-liquid-packaging-process-with-advanced-technology