This machine adopts fork feed, hook thread take-off moving needle bar mechanism. High-precision mechanical transmission to ensure perfect seam. It can be used for straight seam, zip seam, embroidery, hemmed seam, wrapped seam, decorative seam and other seams. The machine is stable in performance and easy to operate. It is suitable for zigzag seam, abutted seam and decoration seam on light and medium-heavy materials of clothing, shoes, hats, leather products and so on.