... fin plate rolling & welding line Full automatic,feeding,rolling,punching,overturning,welding,cutting. Transformer radiator fin plate rolling & welding line, full automatic, automatic feeding, rolling, ... line can produce four size radiator panel: 310mm, 480mm, 520mm, 535mm.Length of radiator panel: 500~4000mm.Rolling speed: 2~6m ... with us for more details. transformer radiator fin plate making machine