20Khz 2500w Customized Ultrasonic Rotary Welding for Non-woven Fabric Description: 20Khz 2500w ultrasonic sewing movement is a new type of sewing equipment specially developed by QRsonic. This ...View More
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20Khz 2500 Watts Ultrasonic Sewing Machine Rotary Welding For Non - Woven Fabric