タイトルまたは説明

This machine works with upper roller, lower wheel and needle feeding synchronized, ensuring smooth sewing at all times, even when joining together other material for overlap sewing. Needle feed ensures constantly supply of thin and thick material. no matter it moves straight forward or makes turns. Also suitable for sewing spongy materials, no crinkle or transform will occure instead the stitch is very smooth and neat. Low friction between the parts because ball and needle bearing are used. Easy maitenance and long service life. We BOMA self-invent a kind of roller-feed which adopts the large-hook. With the large-hook, the capability of thread can be as double and before. It is much easier for workers to change thread during operation