Plastic welding automatic wedge welder adopts advanced hot wedge structure, with high power, high speed and strong pressure force; suitable for 0.2-3.0mm thickness hot melt materials such as PE, PVC, HDPE, EVA, PP. This welder is extensively used in highway/railway, tunnels, urban subway, aquaculture, water conserver, industry liquid, mining, landfill, sewage treatment, waterproofing projects etc.