... in strong wooden boxes, blades wrapped in strong oilpaper. Delivery Detail:within 35 daysgenerally introuction Cold roll of complex components, has ... , take a look at the stress, therefore, the cold roll require a high manufacturing quality, this is to ensure that ... undeserved, use effect will happen great changes.Specifications cold roll and the drawing about cold rollAbout us Auihui Huatian Mechanic ...