This product is a new generation of high-end computer intelligent wool spinning roving equipment independently developed by our company on the basis of FA478 roving frame technology and combined with wool textile technology. The length of spinning fiber is 64-160mm. Four servo motors are used to directly drive the four systems of spindle wing, draft, bobbin and rib lifting independently. The main drive system of the machine is driven by arc toothed synchronous belt, The synchronous operation of four motors is realized under the control and coordination of the main controller.