Easier operation with adjustable stitch length by press button stitch regulating. Skipping and broken of stitch is avoided due to silicon oil cooling and lubricating system; Super-high speed with low noise and vibration because of suitable press foot and feed dogs; Widely used to sew the roll strip for all kinds of heavy garments, jeans e.t.c Using imported materials and high quality spare parts as key parts ensure machine high-speed running, efficient work and low noise.