noun
Chiyoda Corporation
A Japanese engineering company specializing in plant construction and energy projects. This is a proper noun; no other meanings.
千代田化工建設はLNGプラントの建設で知られている。
Chiyoda Corporation is known for constructing LNG plants.
The name combines 千代田 (Chiyoda, a district in Tokyo) with 化工建設 (chemical engineering and construction). The exact historical derivation of the company name is not specified.