... Size:4200x900x1700mm Speed:450sheets/min Fast delivery,&best service 1:Using coherent operation mode, from raw materials, embossing, folding, cutting, ... , equipped with automatic sharpener,the finished products are out of a double-row parallel .3:The electronic counting device, ... Can be stepless speed, high stability F. folding method of Paper: using a folding plate and knife type folding device, can ...