Duplex Models Duplex premade pouch packing machines fill and seal custom made premade pouches, two at any given time, at speeds of approximately 120 cycles per moment. Check out Machines All of our machines are made of top quality resources, it features 2T welding then milling built-in molding body, https://www.linpack.com/news/choosing-the-right-tray-sealing-machine-for-your-business