Some investors have questions. What industries are the company's nickel foam materials mainly used for electromagnetic shielding, and do they have advantages in the industry? Keliyuan said on the interactive platform that the company has long been committed to the development and promotion of various shielding materials, and can now provide customers with various electromagnetic shielding material solutions. The company's products have successfully entered the supply chain system of manufacturers such as Laird and Feirongda, and are eventually applied to electronic products through the company's downstream customers, such as mobile phone brands such as Apple and Huawei, and computer brands such as Microsoft. The product types involved include conventional conductive sponge series, flame retardant conductive sponge series, metal foil/film tinning products, etc. At present, it has 18 patents related to independent research and development of electromagnetic shielding materials in China, including 2 authorized patents, 16 patents accepted, and 2 PCT international invention patents developed independently.