The company stated in its prospectus that it is engaged in the research and development and application of high thermal conductivity materials. What products does it have in this area? What are its main applications?

C Meilixin: Hello investors, the company's main products of high thermal conductivity materials are machine bodies, heat dissipation machine bodies, machine frames, etc., which are mainly used in RF units, microwave transmission, street stations, optical fiber transmission, 5G base stations, basebands, routers and other scenarios. Thank you for your attention.