ultrasonic plastic welding machine: 1.efficiency:10-50pcs/min 2.power:2600W 3.size:420(L)*630(W)*920(H)mm ultrasonic plastic welding machine(HONGDA BRAND) Lihan machinery co.,ltd is the large-scale professional ultrasonic equipment production enterprise in china,but also the earlist take part in ultrasonic plastic welding equipment manufacture enterprise.,rerchard an develop and produced ...