简介：
宝钢获准新建4号高炉
A Project of Hational Key Technology R ＆ D Program Undertaken by LIRR Passed Achievement Appraisal of Henan Province
LIRR “R ＆ D and Industrialization of High Performance Functional Refractories for Metallurgy New Technology”Project Gained Fund Support
熔铸铝硅锆耐火材料在玻璃窑中的应用
