The visual system automatically recognizes samples, spot welding two or more cutting pieces together, facilitating sewing and greatly improving the efficiency of sheet placement,. Ultrasonic positioning eliminates the need for sewing, greatly improving the quality and efficiency of sewing, making it efficient and cost-effective. On the left and right working platforms, one machine is equivalent to two. Suitable for high-end clothing such as swimwear, underwear, yoga suits, and non-woven fabrics.