Ultrasonic and automatic cylinder box forming machine,nice shape,good quality,hige product speed;operate easily 1. ... ultrasonic welding, seaming edge, produce high quality PVC cylinder box, suitable different thickness sheet, forming speed fast. 2. This machine can contact ... 300mm Sheet thickness 0.25mm-0.45mm Speed 900PCS/Hour Machine size 1800× 1600× 1500mm This specification supply for reference, ...