... producing and processing. It has 4 folded forms: 1 / 4 fold, M fold, N folds Etc. The Equipment has reasonable design, stable performance ... Embossed with electric heating, steel wool roll, the corrosion process10,Fold form: W folding uniformity, automatic correction control (roll width ... Folded Size 1:165×113mm Folded Size 2:165×130mm13,Fold range of allowable error:±2mm14,Production rate:240-300 ...