With cam curve after being specially designed, our 6-shuttle circular looms can achieve the energy economy greatly; meters and automatic stopping devices to detect warp/weft breaking and monitor weft ending can be fixed to the looms . Furthermore, all the looms adopt brushless shuttles, holistic shuttles and bi-directional adjustable shuttles. Hereinto, the 6-shuttle circular loom can weave the sacks with the lay-flat width of 200-550mm, and the lay-flat width of 350-1000mm ,which fills up the gap in our national market.