... ,but also the earlist take part in ultrasonic plastic welding equipment manufacture enterprise.,rerchard an ... develop and produced ultrasonic 40k,35k,28k,20k,15k and other sections of the high precision welding ... characteristics,this machine can be equipped with ultrasonic welding head,thereby further enhancing the welding ... 7KGPower:1800-3200wWeight:150kg 40k high precision ultrasonic welding machine