After Japan's defeat in the war, under the policy of the US military aimed at breaking up the traditional political-economic groupings, the big wholesaler was for a time split into nine different companies. Nevertheless, it didn't take long for a more integrated structure to return with the collective support and encouragement of the publishers.
日本戰敗後，在美軍瓦解傳統政經派閥的政策下，大中盤一度被拆分為 9 家，然而不久後又在出版業者協力促成下回復。