All of our machines are made of top quality materials, it contains 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 that of the extended lifetime cycle of our machine. https://www.linpack.com/news/precision-in-every-pour-innovative-packaging-for-sauces-liquids