... 10 percent of the hard and soft PVC.II CharacteristicsHigh frequency plastic welding machine is the first choice of plastic thermal ... the principle of heating different from thermal conductivity plastic welding machine, it is to adapt high-frequency electric field to ... 2, Double paper card 3, blister shell welder 4, NL5557 tube, CEHigh Frequency machine (Blister Packing Machine)Description: It is ...