During World War II the separate companies of the Japanese publications distribution industry were forcibly integrated and merged into one company that fit into the wartime economic structure, and the foundation of a publishing industry structure with a single large wholesaler was thus laid.
二戰期間，日本的圖書經銷業在政府強制整合下併為一家，納入戰時經濟體制，奠下日本「大中盤」體制的基礎。