Sonsun Co., Ltd.

Legal opinion letter from Guangdong Xinda Law Firm regarding the 2025 annual shareholders' meeting of Shenzhen Songsheng Electronics Co., Ltd.

Announcement of the resolution of the 2025 annual shareholders' meeting

Announcement on the actual controller's share reduction touching 1% integer multiples

Announcement on the completion of the share reduction plan by the actual controller, specific shareholders, and directors

Progress Announcement on Providing Guarantees for the Holding Subsidiary

Announcement on the Actual Controller's Reduction of Shares Touching 1% Integer Multiple

Announcement on the Actual Controller's Shareholding Reduction Touching 1% Integer Multiple

Announcement on the Progress of Providing Guarantees to Controlling Subsidiaries

Notice of Disclosure of the First Quarter Report for 2026

Notice of Disclosure of the Annual Report for 2025

Changjiang Securities Underwriting and Sponsorship Co., Ltd. on the Verification of the Use of Raised Funds by Shenzhen Songsheng Electronics Co., Ltd. for 2025

Announcement on the Proposed Reappointment of Accounting Firm

Independent Director Work Report for 2025 (Bu Gongtao - Term Expired)

Independent Director Work Report for 2025 (Li Zhijun)

Independent Director Work Report for 2025 (Wang Jianyou - Term Expired)

Independent Director Work Report for 2025 (Dai Xinshe)

Independent Director Work Report for 2025 (Wen Qidong - Term Expired)

Independent Director Work Report for 2025 (Zhou Lihui)

Announcement on the Online Performance Presentation for the Year 2025 and the First Quarter of 2026

Internal Control Audit Report

Self-Evaluation Report on Internal Control for the Year 2025

Articles of Association (Revised April 2026)

Compensation Management System for Directors and Senior Management (April 2026)

Announcement on Changes in Accounting Policies

Announcement on Changes to Registered Capital and Amendments to the 'Articles of Association'

Announcement on the Provision for Impairment for the Year 2025

Legal Opinion from Guangdong Xinda Law Firm on the Cancellation of Unvested Restricted Stock Granted under the 2023 Restricted Stock Incentive Plan of Shenzhen Songsheng Electronics Co., Ltd.

Announcement on the Cancellation of Unvested Restricted Stock Granted under the 2023 Restricted Stock Incentive Plan

Announcement on the Signing of the 'Procurement Framework Contract' with Related Parties by Wholly-Owned Subsidiaries and Expected Daily Related Transactions

Announcement on the Proposed Application for Comprehensive Credit Limits from Banks and Expected Guarantees for Subsidiaries in 2026

Announcement on the Extension of Loans to Wholly-Owned Subsidiaries

Notice of the Annual Shareholders' Meeting for 2025

Announcement of Resolutions from the Fifth Meeting of the Fourth Board of Directors

Announcement on the Proposal Not to Distribute Profits for the Year 2025