Rengo Raises Stake in Murase Danboru to 49% to Expand Corrugated Packaging Business

Rengo Co., Ltd. has increased its investment in Murase Danboru Ltd., acquiring an additional 29% of the company’s issued shares to bring its total ownership to 49%, excluding treasury shares.

Murase Danboru, founded in 1942 and headquartered in Konan-shi, Aichi Prefecture, is a manufacturer of corrugated board and packaging products. Rengo initially invested in the company in 2024 and has since collaborated in areas including containerboard supply and contract manufacturing of corrugated packaging.

The increased stake is intended to strengthen cooperation between the two companies and support further expansion of Rengo Group’s corrugated packaging operations.

Murase Danboru operates from its head office and main plant at 70 Tenno, Gomyo-cho, Konan-shi, along with a second plant located at 98 Nishiura, Nakanara-cho in the same city. The company is led by Director and President Genichiro Murase.

Following the transaction, Murase Danboru’s shareholding structure consists of MY Holdings, Limited with 51% and Rengo Co., Ltd. with 49%. The company has capital of 13 million yen.

For the fiscal year ended September 2025, Murase Danboru reported net sales of approximately 1.6 billion yen and employed 49 people.

Rengo stated that the additional investment will deepen collaboration and contribute to the continued development of its corrugated packaging business.