... BANNERS,PVC,PE,PP,FABRIC,TENTS,TARPAULIN CLOTHES WELDING MACHINE&WELDER(CHUNLEI BANNER MACHINE SALES DEPT.) The machine is the ... machines, may seam painting pieces without glue, saving more manpower and high efficient. It replaces glue and can save time ... -works of the pieces. Technical Parameter of Hot Air Welder for Welding PVC Banners:ModelMODEL 4000IMODEL 4000LVoltage/Frequency220V+/-10%/50HZ ...