High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tub优质碳素结构钢圆管坯，高压锅炉用无缝管坯，合金结构钢管坯等均达到国标中的各项要求。
Perennial the same time, the company in charge of operating companies : Panzhihua (Chengdu), Baotou, Tianjin (large seam同时公司常年经营公司主管：攀钢（成都）、包钢、天津（大无缝）、冶钢、鞍钢、宝钢、衡阳等钢厂生产的优质无缝管。