... Ultrasonic plastic welding machine use for PC, ABS, MMA, PS, PE, PVC, Nylon, EV/AEV material etc. Ultrasonic welding machine for plastic partsCharacteristic:1 ... design, convenient transfer mode4.has afrequency, current, the load automatic protection5.has a frequency offset protection, mold frequency detcction, ... *430*1350mmProduct design: Our products: Ultrasonic welding machine for plastic parts