[Tianwei Electronics: The business of customers in a certain special field is restricted and is expected to have a negative impact on the company's production, operations and financial status] On September 30, Tianwei Electronics (688511.SH) announced that due to the impact of special events, the company's business with specific customers in a special field will be restricted before May 2027, which is expected to have a negative impact on the production, operation and financial status. In 2024, the company's revenue from this customer was 73.0182 million yuan, accounting for 93.91% of that year's revenue; in 2025, its revenue was 143 million yuan, accounting for 94.91% of that year's revenue. Up to now, the company has received written notices from some customers to cancel existing orders and project contracts under research. The total contract value is 6.4654 million yuan, and there are also existing orders worth approximately 98.1876 million yuan that cannot be delivered and accepted on time. If the company's main production and business activities fail to return to normal within 3 months, other risk warnings will be implemented by the Shanghai Stock Exchange; if the annual revenue falls below 100 million yuan and a loss occurs, the company's stocks may face a delisting risk warning.