Group 1 - The core point of the article is the signing of a supplementary agreement regarding the three-party supervision of the fundraising account by Chengdu Lihang Technology Co., Ltd. (stock code: 603261, stock abbreviation: *ST Lihang) [1][3] - In 2022, *ST Lihang publicly issued 19.25 million shares at a price of 19.70 yuan per share, raising a total of 379.225 million yuan, with a net amount of 334.7213 million yuan after deducting issuance costs [1][2] - The supplementary agreement aims to further standardize the management and use of the raised funds, ensuring the protection of investors' legal rights [3] Group 2 - The supplementary agreement specifies that a special fundraising account has been opened at Chengdu Bank for the storage and use of funds related to aviation equipment and rotorcraft manufacturing projects, and temporarily idle funds may be used to supplement working capital [2] - The agreement outlines the responsibilities of Huaxi Securities in supervising the management of the raised funds in accordance with relevant laws and regulations [2] - The supplementary agreement is legally binding and will take precedence over any conflicting terms in the original agreement, while the remaining parts of the original agreement will continue to be effective [2]