Product Information PVC 40-50 This machine is used for welding zipper screen to weld pockets and zippers, and it can also be used for indoor roller blinds welding. The single sided welding machine with two processes: automatic pocket welding and automatic zipper welding.This single side machine is equipped with zipper mould, and the welding pocket and zipper can be switched on the screen with one click, no need manually move the zipper mould. The machine can also be used for fabric joint welding, as well as PVC tape welding.