28k/35k Ultrasonic Spot Welding Machine 

parameter Model DZ-3509DB Ultrasonic spot welding machine Price $500-$700 Frequency 35KHZ Power 600W/700W/800W/900W Application Plastic, electronics, electrical appliances, auto parts, packaging, environmental protection, medical equipment, non-woven fabrics, toys, communication equipment and other industries. Delay Time/Weld time/Hold Time 0.01-9.99s Voltage 220V 50-60HZ Max output power 600W/700W/800W/900W Welding Area 4*4mm-10*10mm Welding Type continuouly/intermittet Advantage Accurate temperature control/Flexible Manufacturing/Low Maintenance Cost/Sustainable/Low…