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Launched muscle relaxant Muscalm tablets.
Closure of the Kiyama plant.
Founded Petrokimia Kayaku Company (agrochemical company) in Indonesia.
Closure of the Iwamizawa plant.
Established Kowa Sangyo Co., Ltd.
Closure of the Orio plant.
Moved the Fukuyama plant to the Minoshima region and commenced operations (migration completed in February 1986).
Business expansion during the period of rapid economic growth
