High frequency machine for welding PVC/PU related bag, blister, tory, mat and etc products. Main uses: plastic packaging (including heat sealing and trimming for upper & lower blister, heat saling and trimming for blister and cardboard), automobile ornaments, sunshade, trademarks, garments, shoe and capembossing, leather embossing; gas mattress, boat, life jacket, toy; stationery, raincoat, ...