The model is pre-folding type with 4-fold.Easy to operate,adjust and maintain. ... speed180m/min , Continuous adjustment2Usage paper200-700 g/m2, paperboard3Box formingstraight box, flute E & B box4Fold method1st & 3rd folds 90, 2nd & 4th ... -180m/min , Continuous adjustment2Usage paper200-700 g/m2, paperboard3Box formingstraight box, flute E & B box4Fold method1st & 3rd folds 90, 2nd & 4th ...