百川能源：关于购买资产及对外投资进展暨参股子公司完成工商变更登记的公告

Group 1 - The core announcement is that Baichuan Energy has approved an investment of 215.26 million yuan to acquire a 22.86% stake in Xi'an Zhongke Optoelectronic Precision Engineering Co., Ltd. through its wholly-owned subsidiary [2] - After the completion of the share transfer and capital increase, Baichuan Energy will hold a total of 25.20% equity in Xi'an Zhongke Optoelectronic [2] - The relevant business registration changes have been completed, and a new business license has been issued by the Xi'an High-tech Zone Market Supervision Administration [2]