Tongding Interconnection: Fiber products for data centers account for a small proportion, and currently do not engage in CPO-related businesses.

Tongding Interconnection issued a abnormal announcement, the company noticed that the market has a higher focus on the growth of demand for fiber optic products used in data centers recently. As of December 2025, the proportion of fiber optic products used in data centers by the company is relatively small, and the uncertainty of the impact of these related products on the company's future performance exists. For more information on the production and sales of the company's fiber optic cable products, please refer to the main business analysis section in the company's disclosed periodic reports. The company is currently not engaged in CPO related business, investors please pay attention to investment risks.