All of our machines are created of high quality elements, it incorporates 2T welding then milling built-in molding frame, Japanese 20CrMnTi CNC precision machining cam , 4-axis CNC machining clamp and aviation aluminum engraving and milling vacuum chamber, which be sure in the lengthy life cycle of our machine. https://www.linpack.com/news/precision-in-every-pour-innovative-packaging-for-sauces-liquids