[Mandatory] Board of Directors Approves Guarantee for Subsidiary Nanjin International Technology Co., Ltd. Meeting Disclosure Standards

1. Date of Event: 2026/05/11 2. Guaranteed Party: (1) Company Name: Nanjin International Technology Co., Ltd. (2) Relationship with Guarantor Company: 59% subsidiary indirectly held by the Company. (3) Guarantee Limit (Thousands of Yuan): 23,253,740 (4) Original Guarantee Balance (Thousands of Yuan): 4,970,620 (5) Amount of New Guarantee (Thousands of Yuan): 1,994,580 (6) Guarantee Balance as of the Date of Event (Thousands of Yuan): 6,965,200 (7) Actual Amount Drawn by the Guaranteed Company (Thousands of Yuan): 5,638,646 (8) Reason for New Guarantee: The Company signed guarantee notes with the bank to obtain a credit line. The original limit of US$53 million will be renewed, with an additional US$10 million, to meet the operational turnover needs of the invested subsidiary. 3. Collateral Provided by the Guaranteed Company: (1) Content: None. (2) Value (Thousands of Yuan): 0 4. Latest Financial Statement of the Guaranteed Company: (1) Capital (Thousands of Yuan): 359,396 (2) Accumulated Profit/Loss (Thousands of Yuan): 1,257,944 5. Conditions for Release of Guarantee Responsibility: (1) Conditions: The guarantee responsibility shall be released upon maturity of the guarantee. (2) Date: One-year maturity. 6. Total Guarantee Limit (Thousands of Yuan): 48,445,293 7. Guarantee Balance as of the Date of Event (Thousands of Yuan): 20,828,552 8. As of the Date of Event, the Ratio of Guarantee Balance Provided by A to the Net Worth of the Public Issuing Company's Latest Financial Statement: 107.48 9. As of the Date of Event, the Ratio of the Sum of Guarantee, Long-term Investment, and Funds Lent to the Net Worth of the Public Issuing Company's Latest Financial Statement: 37.81 10. Other Disclosures: None.