2026 Semi-Annual Report

Section 1 Important Notes, Table of Contents, and Definitions

The Board of Directors, the Board of Supervisors, and the directors, supervisors, and senior management of the Company guarantee that the information in this semi-annual report is true, accurate, and complete, and that there are no false records, misleading statements, or material omissions. They assume individual and joint legal liability.

Company Head Lai Hongfei, Head of Accounting Liu Qing, and Head of the Accounting Department (Accounting Supervisor) Gu Yanfen declare: We guarantee the truth, accuracy, and completeness of the financial report in this semi-annual report.

All directors attended the board meeting to review this semi-annual report.

During the reporting period, there were no major risks that would have a material impact on the Company's production and operations. The Company faces risks such as market changes, industry cycle fluctuations, and raw material price fluctuations. These risks may lead to uncertainty in the Company's ability to complete its annual production and operation plan. The annual production and operation plan does not constitute a profit forecast and cannot be used as a basis for investment. Investors are advised to pay attention to investment risks. The risks and countermeasures that the Company may face in its future operations are described in "X. Risks and Countermeasures Faced by the Company" in Section 3, "Management Discussion and Analysis" of this report. Investors are advised to read it carefully.

The profit distribution plan approved by the Board of Directors is as follows: Based on the total share capital of 1,174,150,508 shares at the time of implementation, minus the repurchased shares in the special repurchase account, a cash dividend of RMB 1.30 (tax inclusive) per 10 shares will be distributed to all shareholders. No bonus shares will be issued, and no capital reserve will be converted into share capital.

Table of Contents

1. Important Notes, Table of Contents, and Definitions

2. Company Profile and Key Financial Indicators

3. Management Discussion and Analysis

4. Corporate Governance, Environment, and Society

5. Important Matters

6. Share Changes and Shareholder Situation

7. Bond-related Information

8. Financial Report

List of Documents for Inspection

1. Financial statements signed and sealed by the legal representative, the person in charge of accounting, and the head of the accounting department.

2. Originals of all company documents and announcements publicly disclosed in newspapers designated by the CSRC during the reporting period.

3. Location of the above documents: Company Securities Department.

Definitions