noun
ironworks; ironworking factory
Refers to a factory or workshop where iron is processed or iron products are made.
祖父は若い頃、鉄工場で働いていた。
My grandfather worked at an ironworks when he was young.
この地域には小さな鉄工場
There are several small ironworking factories in this area.
Compound of 鉄 (てつ, 'iron') and 工場 (こうじょう, 'factory'). The reading てっこうじょう results from rendaku voicing of こうじょう to こうじょう, and the kanji 鉄 is read as てつ, which combines to てっこうじょう.