also: せいてつしょ
noun
ironworks; steelworks
Refers to a factory where iron or steel is produced from raw materials.
この地域には大きな製鉄所がある。
There is a large steelworks in this area.
Standard kanji spelling; the reading せいてつじょ is the most common.
Alternate reading; less common than せいてつじょ.
製鉄 refers to the process of iron manufacturing, while 製鉄所 is the physical plant where it takes place.
Compound of 製鉄 (iron manufacturing) + 所 (place).