High Frequency plastic welding machine 1.high frequency welding machine for PVC,PET. 2.Usage plastic welding,Blister Packaging High Frequency plastic welding machineApplicationsP. ... sealing, welding of P.V.C soft or hard plastic with P.V.C content of 10% or above, ... genuine leather, fabric embossing, etc.Such as:air blowing toys, raincoat,umbrella,stationery label,mobile plastics heath, shoe ...