High-Speed Lockstitch Sewing Machine : With regard to the flat stitching machine with perfect efficiency, It can be operated with low vibration,low noise but high effciency due to the outstanding and high-speed duration of its thread takeup lever and is vary applicable to the sewing of ordinary sewing materials for men'sgarmetn,wemen's garment and children's garment etc., and also very useful for the sewing of some thick materials,such as leathers, leatheroids, cowboy cloth and so on.