About KUNITOMO K
About Nippon Steel Corp., Futtsu, JPN
About ICHIDA M
About Nippon Steel Corp., Futtsu, JPN
About OKADA T
About Nippon Steel Corp., Futtsu, JPN
About YAMAGUCHI K
About Tohoku Economic Federation, Sendai, JPN
About ISIJ International (Iron and Steel Institute of Japan)
About blast furnace operation
About pulverized coal injection
About Pig iron making
About 吹込み
About 高炉
About 活性化