上交所：益阳市城市建设投资运营集团有限责任公司债券8月6日挂牌，代码259578

Group 1 - The Shanghai Stock Exchange announced the listing of Yiyang Urban Construction Investment and Operation Group Co., Ltd.'s non-public issuance of corporate bonds for professional investors, with a maturity date in 2025 [1][2] - The bonds will be available for trading starting from August 6, 2025, and will utilize various trading methods including click transaction, inquiry transaction, competitive bidding transaction, and negotiated transaction [2] - The bond is designated with the short name "25 Yiyang 01" and the security code "259578" [2]