[U-Long] Announcement by Subsidiary Zhejiang Yuzuan Precision Components Co., Ltd. Regarding Construction Contract for Phase 1 of New Factory Building Project

1. Contract Type: Self-funded Construction Contract 2. Date of Factual Occurrence: 115/4/20 ~ 115/4/20 3. Board Approval Date: January 21, 115 4. Other Approval Dates: Not applicable 5. Contracting Party and Relationship with the Company: Contracting Party: Zhejiang Zhongnan Construction Group Co., Ltd., not a related party. 6. Major Contract Contents (including total contract amount, estimated investment amount, and contract period), restrictive clauses, and other important agreements: Phase 1 Engineering Contract, with a total contract amount of RMB 39,200,000. Restrictive clauses and other important agreements: None. 7. Name of Professional Appraisal Firm or Company and its appraisal result: Not applicable 8. Name of Real Estate Appraiser: Not applicable 9. Real Estate Appraiser's License Number: Not applicable 10. Specific purpose of acquisition: To cope with future operational development plans and capacity needs. 11. Opinion of dissenting directors on this transaction: None 12. Is this transaction a related party transaction? No 13. Date of approval by supervisor or audit committee: January 21, 115 14. Is the appraisal report a limited price, specific price, or special price? No or not applicable 15. Have you obtained the appraisal report yet? No or not applicable 16. Reason for not obtaining the appraisal report: Not applicable 17. When appraisal results have significant differences, reasons for the differences and accountant's opinion: Not applicable 18. Name of accounting firm: Not applicable 19. Name of accountant: Not applicable 20. Accountant's license number: Not applicable 21. Date of previous announcement of material information on the same event: January 21, 115 22. Other descriptions: On January 21, 115, the board of directors approved that subsidiary Zhejiang Yuzuan Precision Components Co., Ltd. intends to build a new factory through self-funded construction within RMB 230,000,000.