wuxi guoyi machinery manufacturing co., ltd. specializes in the manufacturing and sales of cold rolling mills, four-roll rolling mills, six-roll rolling mills, eight-roll rolling mills, flat steel mills, stripping machines and other products. direct sales from the manufacturer, sufficient inventory, high quality and reasonable prices. if there are cold rolling mills, four-roll rolling mills, six-roll rolling mills, eight-roll rolling mills, flat steel mills, and stripping machines, please call 021-67862939.