... ,28k,20k,15k and other sections of the high precision welding equipment,and in accordance with market demand,we also ... equipped with ultrasonic welding head,thereby further enhancing the welding performance.this machine has plastic welding,forming ,spot welding,graft suture properties,one machine can do ... 60HZAir pressure:3-7KGPower:1800-3200wWeight:150kg 40k high precision ultrasonic welding machine