Perennial the same time, the company in charge of operating companies : Panzhihua (Chengdu), Baotou, Tianjin (large seamless), metallurgical Steel, Anshan, Baoshan, Hengyang and other steel seamless tube production quality.

• 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。