1.Interchange between lockstitch and chainstitch: Realizes two different stitches by changingthe hookand looper to meet the needs of different processes.
2.Cylinder bed: More suitable for sewing hemming on trousers.
3.Synchronous feeding: Upper-lowerpuller and needle feeding prevent thedensestitchonjoint.
4.Automation:Presserfootlifterimeeold estitchonjoint.5.Reinforce function:Densestitch when ending toprevent off-line.