heat banner welder Flex Banner Welder,professional designed for hot jointing the PE, PVC banner, plastic cloth etc. heat banner ... reasonable structure, easy operation, smooth and stable welding work, the hot air welder machine is designed for PE /PVC outdoor advertisement seaming ... .: 15KGS/17KGS Packing :50cm*30cm*35cm heat banner welder/pvc hot air welder / Flex Banner Welder