... :900-1800w size:720(L)*850(W)*1750(H)mm 20k ultrasonic multi station rotary welding machine OverviewLihan machinery co.,ltd ... enterprise.,rerchard an develop and produced ultrasonic 40k,35k,28k,20k,15k and other sections of the high precision welding equipment ... welding process demand,our turntable device can be devided into 20k,15k,40k welding equipment,the user can choose which one ...