This machine adopts link-type upper and lower feed mechanism and presser foot lifting mechanism alternately smooth feeding. Use the builtin servo motor direct drive, to achieve a quick start and brake the machine precision; while the use of advanced integrated computer control technology, stable performance, strong anti-interference ability. With automatic needle positioning, automatic pin number, automatic counting inverted seam, automatic cut line, electronic clamp, automatic presser foot, and other intelligent sewing patterns. While sewing, fabric trimming process complete, trace stabilized, neat timming. Cutter unit is equipped with a variety of options, namely the cutter and the needle bar synchronized actions and asynchronous operation of the cutter and the needle bar two options, widely used in leather, canvas, cushion,sofa, bags, jeans and so on.