大同特殊鋼 だいどうとくしゅこう Meanings Noun Daido Steel Kanji 大 big. Read as ダイ. 同 same. Read as ドウ. 特 special. Read as トク. 殊 exceptional. Read as シュ. 鋼 steel. Read as コウ. Jinuma: Japanese Dictionary · Word lists