Heilongjiang Interchina Water Treatment announcement, the company's stock price fell by more than 20% for three consecutive trading days on August 26, 27, and 28, leading to abnormal stock trading volatility. After a self-inspection by the company and verification of the controlling shareholder, its concerted action person, and actual controller, it is confirmed that the company does not have any significant undisclosed matters. The company and its shareholder, Pengxin Group, received a 'Notice of Case Filing' from the China Securities Regulatory Commission on August 23 due to suspected violations of information disclosure laws and regulations. At the same time, some shares of the company's shareholders, Tibet Houkang and Pengxin Group, have been judicially marked and subject to pending freeze. The company reminds investors to be cautious of risks in the secondary market trading, make rational decisions, and invest prudently.