.The innovation feed dog holder, to prevent the feed dog holder gap loosen.
.The innovation feeding structure, stitch length can adjust between 0.5mm to 5.7mm
freely. Max stitch length will be 5.7mm, normally small cylinder interlock max stitch
length is 3.8mm.
.The innovation Double Upper and Lower differential feed, fabric from silk to jeans can
be easy sewing. Never wrinkling for extremely soft fabric.
.The distance between Small cylinder left side to needle center 40mm only, easy to
deal all kind of difficult sewing.
.Multi-functions, one machine can used for General plain seaming、Tape binding、
Overlock-seam covering、Bottom hemming.
.The innovation thread take up cam structure.
.Delete the shaft which adjust the fabric stretch.

Because of the upper and lower differential feed dog working,the slippage and
distortion condition well solved, both of the extremely thin chiffon velvet and the
extremely thick blanket, and to make fabric very beautiful sewing effect