Fully auto device, manpower saving, high efficiency. Even forming, easy to outfeed, without remaining, to reduce the loss of the yarn. Electronic counter, take-up weight can be controlled freely for easy yarn replacement. With yarn cutting stop device to avoid the trouble of yarn shortage. High compatibility, different bobbin O.D. length can be exchanged. (refer to the specification table for details).Simple structure, easy to operate and maintain. Low rate of breakdown, high durability. High revolving speed, small volume, high working efficiency and space saving.