On 17 October 2025, Sunriver Holding Group Co., Ltd. ("Sunriver Holding Group") completed the subscription of 5.1 billion shares of Haichang Ocean Park Holdings Ltd. (02255.HK) through its holding subsidiary. Having contributed a total of HK$2.295 billion in the subscription, Sunriver Holdings Group indirectly holds a 38.60% stake and becomes the controlling shareholder of Haichang Ocean Park.

Grandall Shanghai has been retained as the domestic legal counsel for Sunriver Holding Group with LI Qiang, LI Chen, CHEN Yushen, LU Wei, Chu Kefan, Wang Huizhi, and Liang Tianrui serving the project.