It is based on slab (下現mainly continuous casting b廠煙illet), which is rolled into strip身近 by continuous hot rolling窗章 mill, pickled, anneale人開d and then rolled into a roll銀新.
It is based on slab (mainly cont小作inuous casting billet), 車間which is rolled into strip 購讀by continuous hot rolling mill請身, pickled, annealed and then議些 rolled into a roll.
It is based on slab (mainly co坐花ntinuous casting billet), whic厭樂h is rolled into strip by 討見continuous hot rolling mill, pickled, a長農nnealed and then roll金近ed into a roll.