Jinzhou Pipeline Co., Ltd.

Announcement on Adjusting the Buyback Share Price Limit After Implementing the 2025 Annual Equity Distribution Plan

Announcement on Obtaining Commitment Letter for Stock Repurchase Loan from Financial Institutions

Implementation Announcement of the 2025 Annual Equity Distribution

Announcement on Participation in the 2026 Investor Online Collective Reception Day Activity of Zhejiang Listed Companies and the 2025 Annual Performance Presentation Meeting

Legal Opinion on the 2025 Annual Shareholders' Meeting of Zhejiang Jinzhou Pipeline Technology Co., Ltd.

Announcement of the 2025 Annual Shareholders' Meeting Resolutions

Announcement on the Progress of Share Repurchase

Announcement on the Shareholding Status of the Top Ten Shareholders and Top Ten Unrestricted Shareholders Before the Share Repurchase

Announcement on the Pledge and Re-pledge of Shares by the Controlling Shareholder

Resolution Announcement of the 3rd Meeting of the 8th Board of Directors

2026 Q1 Report

Announcement and Repurchase Report on the Company's Share Repurchase Plan

2026 First Quarter Performance Forecast

Announcement on the Reappointment of the Audit Institution for 2026

Independent Director's 2025 Annual Work Report (Chu Yihong)

Independent Director's 2025 Annual Work Report (Zhang Li)

Independent Director's 2025 Annual Work Report (Feng Yaorong)

Internal Control Audit Report

2025 Internal Control Self-assessment Report

Compensation Management System for Directors and Senior Management

Resolutions from the First Meeting of the Eighth Board of Directors' Independent Directors Special Meeting in 2026

2025 Board of Directors Work Report

Announcement on Applying for Comprehensive Credit from Commercial Banks

Announcement on the Change of the Head of Internal Audit

Announcement on the Estimated Daily Related Transactions for the Year 2026

Announcement on the Company Providing Financing Guarantees for Subsidiaries and Subsidiaries Providing Financing Guarantees for the Company

Notice of the 2025 Annual Shareholders' Meeting

Announcement of Resolutions from the Second Meeting of the Eighth Board of Directors

Announcement on the Profit Distribution Plan for the Year 2025

Report on the Evaluation of the Performance of the Accounting Firm for the Year 2025 and the Audit Committee's Supervision Responsibilities

Special Audit Report on Non-operating Fund Occupation and Other Related Fund Transactions Summary Table