上交所：咸宁高新投资集团有限公司债券11月28日挂牌，代码280777

Group 1 - The Shanghai Stock Exchange announced the listing of the fourth phase of the non-public issuance of corporate bonds by Xianning High-tech Investment Group Co., Ltd. aimed at professional investors, effective from November 28, 2025 [1] - The bonds will be traded using various methods including click transaction, inquiry transaction, bidding transaction, and negotiated transaction, with the bond abbreviated as "25 Xiang Gao 04" and the security code "280777" [2]