Model CJ8500 is provided  with automatic thread  trimmer , automatic  needle  positioner,  automatic stitchcount of backtack,  automatic  thread  wiper and many other sewing modes.It is available to  sew shirts, uniforms and  sportswear, and also  available to sew portfolios,  purses, shoes,  jeans and  other  medium-heavy  materials;   especially  suitable for sewing  trade marks, pockets, sleeve-cuffs etc. It can  be operated with high quality  and  high efficiency.