... to 10 times compare with traditional way. the width of ultrasonic quilting machine is decided by client.2. Because of needleless, so that ... safety and environmental protection product.3. Compare with traditional way, ultrasonic quilting is more cementation, clear embossed surface, has a more ... free processing, it is waterproof and more warm.5. Using roller die, easy to change, and can sew many kinds of ...