Group 1 - The core point of the article is that Cixing Co., Ltd. (300307.SZ) has announced a new investment agreement with Wuhan Minsound, which involves adjustments to certain terms from the previous strategic round investment agreement, particularly regarding the buyback rights and timeline for achieving a qualified listing [1][2] Group 2 - Wuhan Minsound's valuation in this strategic round of financing has increased compared to the previous round, and the company believes that the introduction of new strategic investors will positively impact its future development [2] - The adjustments to the investment agreement were made based on long-term interests and the current objective situation of Wuhan Minsound, with the company asserting that these changes do not harm the legal interests of the company and its shareholders [2]