Semi-auto Saddle Stitch Sewing Machine features: Micro-computer control, original U.S.A.M2000 stitching head, Italy motor, Taiwan transducer.manual and automatic operating, speed adjusting, calculating, automatically stop while paper jam happened, no stitching without paper. It is conveyed through double pusher while stitching books, all books can be protected obviously, and also can be used for some difficult and uncommon paper format, more flexibility. Semi-auto Saddle Stitch Sewing Machine ST-440A is applicable for stitching all kinds of notebooks, booklets, magazines, poster, advertising manuals etc.
