Xinan Century (688201.SH) stated on the investor interaction platform on September 6th that the company's products and solutions do not involve quantum communication. However, in the post-quantum cryptography field, the company is actively promoting research, migration, and industry implementation of post-quantum cryptographic algorithms. Some post-quantum algorithms have been successfully integrated into the company's products and applied to the business systems of many customers such as banks, securities, and operators. The company has also been deeply involved in the compilation of the "Post-Quantum Cryptography Application Research Report", providing valuable references and guidance to the industry. The company is actively exploring and applying practices in low-altitude security, and has achieved successful cases in combination with low-altitude devices such as drones.