FA471/FA472 computerized linkage high speed suspend flyer roving frames adopt the advanced PLCNC digital control technique it get rid of the cone drum structure mechanical forming structure of former flyer frames, Now it is the most advanced flyer frames. In mechanical-electrical integration, it is suitable for pure or blended processing of carbed or combed cotton fibre and artificial fibre, processing the drawing sliver into roving of various counts and twist. It is the best choice for the former process of spinning.