Double Side Trample, Rotary type, Push type : Steady frequency, Spark restrains system,Vibrate current setting,Security protecti It is ... for all kinds of operation which need high output,hign presure.(such as large folder, leather pattern,PVC ... /670/16501000/2000/16501000/2000/16501720/2600/1780Machine movement distance70150150150160150 High frequency plastic welding machine