Shenkai Co., Ltd.

Legal Opinion on the 2025 Shareholders' Meeting of Shanghai Shenkai Petrochemical Equipment Co., Ltd.

Announcement of Shareholders' Meeting Resolutions for 2025

Announcement on the Reappointment of the Audit Institution for 2026

2025 Annual Report of Independent Director - Zhao Ming

2025 Annual Report of Independent Director - Zhang Guanjun

2025 Annual Report of Independent Director - Zhong Guangfa

Announcement on Holding an Online Performance Presentation for the 2025 Annual Report

Verification Opinion of Aijian Securities Co., Ltd. on the 2025 Internal Control Self-Assessment Report of Shanghai Shenkai Petroleum and Chemical Equipment Co., Ltd.

Internal Control Audit Report of Shanghai Shenkai Petroleum and Chemical Equipment Co., Ltd.

2025 Internal Control Self-Assessment Report

Announcement on the Revision and Formulation of Certain Corporate Governance Systems

Compensation Management Measures for Directors and Senior Management (Revised in April 2026)

Management System for Resignation of Directors and Senior Management

Temporary Suspension and Exemption System for Information Disclosure

Announcement on the Progress of the 'Quality Return Double Improvement' Action Plan

Announcement on Confirming the Compensation of Directors and Senior Management for 2025 and the Proposed Compensation Plan for 2026

Announcement on the Provision for Asset Impairment for 2025

Verification Opinion of Aijian Securities Co., Ltd. on the Estimated Guarantee Amount for 2026 of Shanghai Shenkai Petroleum and Chemical Equipment Co., Ltd.

Announcement on the Estimated Guarantee Amount for 2026

Notice of the 2025 Annual Shareholders' Meeting

Announcement of Resolutions of the 13th Meeting of the 5th Board of Directors

Profit Distribution Plan for 2025

First Quarter Report of 2026

Announcement on the Management and Use of Raised Funds for 2025

Verification Report on the Completion of Performance Commitments by Beijing Blue Ocean Zhixin Energy Technology Co., Ltd.

Verification Report on the Annual Management and Use of Raised Funds by Shanghai Shenkai Petrochemical Equipment Co., Ltd.

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

Special Audit Explanation on Non-Operating Fund Occupation and Other Related Fund Transactions of Shanghai Shenkai Petrochemical Equipment Co., Ltd.

Summary Table of Non-Operating Fund Occupation and Other Related Fund Transactions for 2025

Special Opinion from the Board of Directors on the Independence of Independent Directors

2025 Annual Audit Report

2025 Annual Report

Summary of the 2025 Annual Report

Verification Opinion from Aijian Securities Co., Ltd. on Shanghai Shenkai Petrochemical Equipment Co., Ltd.'s Use of Part of Idle Raised Funds for Cash Management

Announcement on the Use of Part of Idle Raised Funds for Cash Management

Verification Opinion from Aijian Securities Co., Ltd. on Shanghai Shenkai Petrochemical Equipment Co., Ltd.'s Use of Own Funds for Entrusted Wealth Management

Announcement on the Use of Own Funds for Entrusted Wealth Management

Announcement on the Progress of the Company's Guarantee Provision

Announcement on the Completion of Share Repurchase and Cancellation and Changes in Shares

Pre-disclosure Announcement on the Reduction of Shares by Some Shareholders Holding More than 5% and Some Directors and Executives

Announcement on the cancellation of repurchased shares and reduction of registered capital and notification to creditors

Legal Opinion Letter from JunHe Law Firm Shanghai Branch on the first extraordinary shareholders' meeting of Shanghai Shenkai Petrochemical Equipment Co., Ltd. in 2026

Announcement on the resolutions of the first extraordinary shareholders' meeting of 2026

Articles of Association (Revised in March 2026)

Announcement on Cancelling Repurchased Shares and Reducing Registered Capital, and Amending the 'Articles of Association'

Notice of Convening the First Extraordinary General Meeting of Shareholders in 2026

Resolution Announcement of the Twelfth Meeting of the Fifth Board of Directors

Announcement on Completion of Industrial and Commercial Change Registration