Dear Secretary, what patent technologies and industry advantages does the company have in solving the heat dissipation and cooling of 5G6G communication equipment and new energy engine equipment?

C Meilixin: Dear investors, hello! The patents owned by the company have been disclosed in the prospectus, please refer to it. The company is the core supplier of aluminum alloy precision die-casting parts for communication base stations of the world's two major communication equipment manufacturers, and the two leading global new energy vehicle companies are also the company's top two customers for automotive products. Thank you for your attention.