Han Jian Heshan announced that the company previously passed a bill to sell 99.9% of Qingqing Environmental Protection's shares to Hebei Qingneng Environmental Engineering Co., Ltd. for 0 yuan. Qingqing Environmental Protection completed procedures such as changes in shareholder information and filing of articles of association on December 19, 2025, and renewed a new business license. After this change, the company no longer holds shares in Qingqing Environmental Protection, and it is no longer included in the scope of the company's consolidated statements.

Han Jian Heshan announced that the company previously passed a bill to sell 99.9% of Qingqing Environmental Protection's shares to Hebei Qingneng Environmental Engineering Co., Ltd. for 0 yuan. Qingqing Environmental Protection completed procedures such as changes in shareholder information and filing of articles of association on December 19, 2025, and renewed a new business license. After this change, the company no longer holds shares in Qingqing Environmental Protection, and it is no longer included in the scope of the company's consolidated statements.