SM-21S is automatic overlock template sewing machine for single piece.It can automatically fabric taking, feeding, sewing, collecting and counting without the sewing workers.Multi functions,one machine for multiple uses, suitable for a variety of sideseam stitch processes, such as kangaroo pockets, pocket covers, half moon patch, etc.High efficiency, high quality and perfect stitches
SM-21ST is a fully automatic overlock template sewing machine designed for mop cloths sideseam stitch. It can automatically fabric taking, feeding, sewing, collecting and counting without the sewing workers.Full automatic control, higher and more stable quality.
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