Et cnn quattuor-cylindro hydraulica tendentes apparatus est instructa cum a programmable Siemens cnc ratio, quae potest reponunt in ipso volubilem / inclinata notitia de centum alium workpieces, scilicet-key vocatio, una-key satus, simplex operationem et altum, una-key satus, simplex operationem et altum, una-key satus, simplex operatio et altum, unum-key satus, simplex operatio et alta-key satus, simplex operatio et alta-key satus, simplex operationem et altum, una-key satus, simplex operationem et altum, una-key satus, simplex operatio et alta-key satus, simplex operatio et alta-key satus, simplex operationem et altum est-key satus, simplex operatio et alta praecisione. The CNC four-roll plate rolling machine not only satisfies the automatic plate rolling process of circle, but also meets the automatic plate rolling process of various arc, square, triangle, oblate, ellipse and other workpieces, and the workpiece processing precision is high. Importari hydraulicis ratio et electrica imperium ratio sunt adoptati, et imperium circuitu regitur per plc programmable controller ad curare lenis operationem de laminam volvens apparatus, convenient operationem et diu servitium vitae.