About NAKANO M
About Nippon Steel Corp., Chiba, JPN
About NAITO M
About Nippon Steel Corp., Chiba, JPN
About HIGUCHI K
About Nippon Steel Corp., Chiba, JPN
About MORIMOTO K
About Tetsugen Ltd., Chiba, JPN
About ISIJ International (Iron and Steel Institute of Japan)
About iron oxide
About tetra
About Iron ores
About 炭素
About 凝塊
About ラボ
About スケール
About 品質評価