SCHEDULE 13G 0002056039 XXXXXXXX LIVE Ordinary shares, par value US$0.00001428571428 per share 12/31/2024 0001967631 Jinxin Technology Holding Company 47760D102 Floor 8, Building D, Shengyin Building Shengxia Road 666, Pudong District Shanghai F4 201203 Rule 13d-1(d) Namibox Technology Limited D8 328880195.00 0.00 328880195.00 0.00 328880195.00 N 28.53 CO (1) For Rows 5, 7 and 9: represents 328,880,195 ordinary shares directly held by Namibox Technology Limited, a British Virgin Islands company wholly-owned by Mr. Jin Xu. (2) For Row 11: the percentage of class of securities beneficially owned by each Reporting Person is calculated based on a total of 1,152,740,747 ordinary shares issued and outstanding immediately after the completion of the Issuer's initial public offering, as reported in its prospectus filed under Rule 424(b)(4) with the Securities and Exchange Commission on December 6, 2024. Jin Xu F4 328880195.00 0.00 328880195.00 0.00 328880195.00 N 28.53 IN (1) For Rows 5, 7 and 9: represents 328,880,195 ordinary shares directly held by Namibox Technology Limited, a British Virgin Islands company wholly-owned by Mr. Jin Xu. (2) For Row 11: the percentage of class of securities beneficially owned by each Reporting Person is calculated based on a total of 1,152,740,747 ordinary shares issued and outstanding immediately after the completion of the Issuer's initial public offering, as reported in its prospectus filed under Rule 424(b)(4) with the Securities and Exchange Commission on December 6, 2024. Jinxin Technology Holding Company Floor 8, Building D, Shengyin Building, Shengxia Road 666, Pudong District, Shanghai 201203, People's Republic of China Namibox Technology Limited Jin Xu Namibox Technology Limited: Floor 8, Building D, Shengyin Building, Shengxia Road 666, Pudong District, Shanghai, People's Republic of China Jin Xu: Floor 8, Building D, Shengyin Building, Shengxia Road 666, Pudong District, Shanghai, People's Republic of China Namibox Technology Limited: British Virgin Islands Jin Xu: People's Republic of China Y Namibox Technology Limited: 328,880,195 Jin Xu: 328,880,195 Represents 328,880,195 ordinary shares directly held by Namibox Technology Limited, a British Virgin Islands company wholly-owned by Mr. Jin Xu. Namibox Technology Limited: 28.53% Jin Xu: 28.53% The percentage of class of securities beneficially owned by each Reporting Person is calculated based on a total of 1,152,740,747 ordinary shares issued and outstanding immediately after the completion of the Issuer's initial public offering, as reported in its prospectus filed under Rule 424(b)(4) with the Securities and Exchange Commission on December 6, 2024. Namibox Technology Limited: 328,880,195 Jin Xu: 328,880,195 Namibox Technology Limited: 0 Jin Xu: 0 Namibox Technology Limited: 328,880,195 Jin Xu: 328,880,195 Namibox Technology Limited: 0 Jin Xu: 0 Y Y Y Y Y Y Exhibit 1 Joint Filing Agreement Namibox Technology Limited /s/ Jin Xu 02/14/2025 Jin Xu /s/ Jin Xu 02/14/2025