... .For roofing sheets, container cover, advertising cloth, plastic cloth 2.Auto function Water proofing and roofing welder, PVC Roofing welding ... for large-scale sheet and film processing, such as roofing sheets, container cover, advertising cloth, plastic cloth. Temperature ... 15m/min Welding width: 40mm Water proofing and roofing welder, PVC Roofing welding machine,Plastic welding machine(PVC,TPO ,EVA ...