The total investment of the third rolling mill is more than 50 million yuan, and the designed annual production capacity is 6.5438+0.5 million tons. It can produce cold-rolled plates with a thickness of 0.654.38+02 ~ 654.38+0.2 mm and a width of 900 ~ 654.38+0.06 54.38+00 mm. The rolling mill adopts full hydraulic reduction production technology.