GB4-1 Large sewing machine for thick material adopts single-needle and oscillating shuttle, upper and lower synchronized feeding, forms 2-thread lock stitch.
It has been adjusted in specialized according to the sewing re-quirements of containing bag.
It is suitable for sewing containing bags with super-thick, medium and thinner material.
No skipping stitches when sewing thick material and no puckers when sewing thin material.
The manual presser could be pulled in forward, backward, left and right directions; it could fix the partial of sewing material. For packing products with dust-proof strip, it could sew that in changing needle position and three kinds of parts.
