东莞控股：持有的东莞证券账面值与历史投资成本、东莞证券账面净资产及持股比例等有关

Group 1 - The company stated that the book value of its holdings in Dongguan Securities is related to historical investment costs, net assets, and shareholding ratio [1] - The book value does not directly reflect market valuation levels and should be assessed in conjunction with market valuation indicators such as price-to-book ratio (PB) [1]