Core Viewpoint - The company, Tiantong Co., Ltd. (600330.SH), has issued a risk warning announcement stating that its main business in electronic materials and high-end specialized equipment remains stable and has not undergone significant changes [1] Business Operations - The company confirms that its production and operational order is normal, and there are no undisclosed significant information [1] - The company does not engage in the production of commercial satellites or optical module products [1] Project Updates - The company is involved in the "large-size RF piezoelectric wafer project" within the niobate lithium crystal field, which is a fundraising project with a construction period extended to December 2029 [1] - As of now, this project has not been completed and has not generated stable revenue [1] Market Sentiment - The company has gained increased attention due to the commercial aerospace concept, niobate lithium crystal field, and CPO concept [1] - The company advises investors to be cautious of speculative risks associated with hot concepts and to make rational judgments [1]

Core Viewpoint - The stock of Tiantong Holdings Co., Ltd. experienced an abnormal trading fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days from September 3 to September 5, 2025 [1] Group 1: Stock Trading Abnormality - The company's stock price deviation was identified as exceeding 20% over three consecutive trading days, which is classified as an abnormal trading fluctuation according to the Shanghai Stock Exchange rules [1] - The company conducted a self-examination and confirmed that there are no undisclosed significant information affecting the stock price, aside from what has already been disclosed [1] Group 2: Business Operations - The main business of the company involves the research, development, manufacturing, and sales of electronic materials and high-end specialized equipment [1] - The company reported that its production and operational activities are normal, with no significant changes in its main business [1] Group 3: Major Events and Shareholder Information - The company confirmed that there are no major events affecting the stock price, such as significant asset restructuring, share issuance, or major business cooperation [2] - The controlling shareholder, Tiantong High-tech Group Co., Ltd., holds 70.05% of its shares, which accounts for 7.36% of the total share capital of the company [3] Group 4: Management and Disclosure - The board of directors confirmed that there are no undisclosed matters that should have been disclosed according to the relevant regulations of the Shanghai Stock Exchange [4] - The company has designated media for information disclosure, including China Securities Journal, Shanghai Securities Journal, Securities Times, and the Shanghai Stock Exchange website [3]