Applicable to the flyer which is to hang the low count yarn bobbin on the various kinds of the ring spinners for the spinning of the cotton,wool,jute,chemical and silk yarns. The flyer is carefully made of the high grads imported polyformaldehyde,featuring an automatic lubrication effect,a simple and easy operation,a brisk and balanced rotation,a reliable action of the sub-piece,a good dust-proof sealing and a broad scope of application,etc. can meet the requirements for the winding and collecting of the diverse worsted yarns. The products withstand the tests by the Textile Machinery Quality Superintendence & Inspection Centre under the General Textile Association.