https://www.kingpak123.com/smart-duo-heads-packing-machine/n--2t206-series-duo-heads-powder-packaging-machine 2022-06-21 https://www.kingpak123.com/smart-duo-heads-packing-machine/n--2t500-series-duo-heads---powder-packaging-machine 2022-06-21 https://www.kingpak123.com/smart-duo-heads-packing-machine/n-2t1000-series-duo-heads---powder-packaging-machine 2022-06-21