Starting from October 9, 2025, the Beijing Stock Exchange (hereinafter referred to as "BSE") will officially launch the new "920" code segment. In accordance with the unified deployment of the BSE, the stock code of Hebei Runnong Water-Saving Technology Co., Ltd. (hereinafter referred to as the "Company") will be changed from the original "830964" to "920964", while the securities abbreviation "Runnong Water-Saving" will remain unchanged.

To ensure the smooth trading for investors, we hereby remind that:

From October 9, 2025 onwards, investors must use the new code "920964" for all operations such as trading orders and market queries related to the Company's stock, and the original code "830964" will be officially discontinued. Investors are kindly requested to update their stock trading software in advance to avoid any impact on trading due to improper operations.

We sincerely appreciate the long-term support and trust of all investors in the Company! In the future, the Company will continue to improve its operating quality and standardized operation level, and work hand in hand with all investors to enter the "920 Era" of the BSE, and jointly create a new situation of high-quality development of the Company!