[钢厂快讯] 快讯:15:55唐山钢坯降40 [钢厂快讯] 快讯:午后唐山钢坯涨20 [钢厂快讯] 快讯:午后唐山钢坯涨30 [钢厂快讯] 快讯:迁安钢坯涨30 [钢厂快讯] 快讯:午后唐山钢坯稳