Automatic size identification, assorting and controlling.
Automatic start-stop, trim thread, align overlapping stitches and stack.
Adding seam position detection device locates the position of start &end stitching and avoid false detection for fabric colour as well.
The seam control mechanism can realize the both side into the real same seam direction.
Correcting devices ensure the same seam directions are well aligned outside and inside.
Automatic adjust the hem edge size range.