Tianrui Instruments Co., Ltd.

Legal Opinion on the 2025 Shareholders' Meeting of Jiangsu Tianrui Instrument Co., Ltd. by Shanghai Guangfa Law Firm

Announcement of Resolutions from the 2025 Annual Shareholders' Meeting

Announcement on the Progress of Arbitration Matters Involving the Controlling Shareholder

Announcement on the resignation of the company's deputy general manager

Announcement on the Reappointment of Accounting Firms

Report of Wang Gang

Report of Mo Weimin

Report of Qian Yujin

Announcement on Holding the 2025 Annual Online Performance Briefing

2025 Annual Internal Control Audit Report

2025 Annual Internal Control Evaluation Report

Compensation Management System for Directors and Senior Management

Announcement on Applying for Comprehensive Credit Limits from Banks

Announcement on the Use of Idle Self-owned Funds by the Company and Its Subsidiaries to Purchase Low-risk Principal-protected Financial Products

Prompt Announcement on the Disclosure of the 2026 First Quarter Report

Prompt Announcement on the Disclosure of the 2025 Annual Report and Its Summary

Announcement on Changes in Accounting Policies

Announcement on the Provision for Asset Impairment and Confirmation of Fair Value Changes of Other Equity Instrument Investments

Notice of the 2025 Annual Shareholders' Meeting

Announcement of Resolutions from the 20th Meeting of the 6th Board of Directors 2026-015

Special Explanation on the Proposed Non-Distribution of Profits for the Year 2025 2026-016

2026 First Quarter Report

Special Verification Opinion on the Deduction of Operating Income for 2025

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

Special Explanation on Non-Operating Fund Occupation and Other Related Fund Transactions

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

Special Opinion on the Independence of Independent Directors

2025 Annual Audit Report

2025 Annual Report

Summary of the 2025 Annual Report

Announcement on Withdrawal of Other Risk Warnings and Resumption/Suspension of Trading

Resolution Announcement of the Nineteenth (Ad Hoc) Meeting of the Sixth Board of Directors

Announcement on Applying for the Removal of Other Risk Warnings

"Announcement Regarding the Revision of the \"Articles of Association\" and the Formulation of Corporate Governance System",

"Announcement on the early termination and debt restructuring of the Xilinhot PPP project",