[钢厂快讯] 快讯:午后唐山钢坯涨30 创新高 [钢厂快讯] 快讯:迁安钢坯涨30 [钢厂快讯] 快讯:午后唐山钢坯涨60 [钢厂快讯] 快讯:迁安钢坯涨50 [钢厂快讯] 快讯:午后唐山钢坯涨20