... Flex banner welder 2, Hot air welder 3, High efficiency 4, Super quality Flex banner welderThis equipment can be called hot air welder, heat welder, banner welder, welder ... seaming machine and seamer, it is the professional designs for welding flex banner, PE, PVC, plastic cloth, printing ... Co., Ltd in shanghai Using Leister heating system made in china, and digital function for temperature showing. ...