Our company has manufactured a  new kind of minisize spiral with no spindle successfully (feeding machine feed line, spring spiral, spring flight, farming material line ,flight with no spindle ),this product adops high quality high carbon 65Mn,no deformation,long using time.specification: 4 x 9, 4 x 12, 4 x 16, 5×8, 5 x 12, 5×16，100×67，can  be diversity to satisfy diverse  customers ,widely applicated in host of cultivation and feed machine,can  be used to transport the feed through long distance pipeline ,The advantages of simple structure,high performance ,good durability, low failure ,

Thanks to the long distance feeding transport ,so that the working force can  be reduced ,then ,have achieving the new times of the automatic cultivation.