聚石化学：控股股东变更为陈钢

Core Viewpoint - The announcement indicates a significant change in the control structure of Ju Shi Chemical, with Chen Gang becoming the sole actual controller after the termination of the agreement with Yang Zhenggao [1] Group 1: Shareholding Changes - The agreement between Chen Gang and Yang Zhenggao, which established their joint action relationship, will expire on January 25, 2026, and will not be renewed [1] - Following the termination of this agreement, Chen Gang will control a total of 44.42% of the company's shares through direct holdings and his control over Guangzhou Shipan Stone Investment Management Co., Ltd [1] - Yang Zhenggao will hold a direct shareholding of 3.54% and will no longer be in a joint action relationship with Chen Gang [1] Group 2: Impact on Company Structure - The change in shareholding does not involve any increase or decrease in the number of shares [1] - The rights change has already taken effect, indicating a completed transition in control [1]