Private company

Kowa Seiko

Kowa Seiko is a Japanese company based in Fukuoka Prefecture, founded in 1961.¹

光和精鉱株式会社（こうわせいこう）は、福岡県北九州市に本社を置く、廃棄物処理業者である。日本製鉄と、DOWAホールディングス傘下のDOWAエコシステムが共同で出資する。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Feb 10, 1961Founded¹

HeadquartersFukuoka Prefecture, Japan¹
Websitewww.kowa-seiko.co.jp

See how the biggest companies compare on our leaderboards

Timeline

Feb 10, 1961Founded Founded¹

Links

Websitewww.kowa-seiko.co.jp¹
WikidataQ11388315

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataKowa Seiko on Wikidata
2
WikipediaKowa Seiko on the Japanese Wikipedia