... line of making sewing machine for more than 10 years,this THREAD WINDING machine is used for winding wires, yarns and thread ... around bobbins evenly and orderly. the THREAD WINDING machine owns the following advantages: 1.controlling time quantiatively dividing thread ... feed dog. If you want more information about the THREAD WINDING machine, or any other you need , pls contact me direactly ...