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