National Cable Testing Co., Ltd.

Legal Opinion from Guohao Law Firm (Shanghai) on the 2025 Annual Shareholders' Meeting of Shanghai Guolan Testing Co., Ltd.

Announcement of the 2025 Annual Shareholders' Meeting Resolution of Shanghai Guolan Testing Co., Ltd.

Announcement on Holding the 2025 Performance Presentation by Shanghai Guolan Testing Co., Ltd.

2025 Annual Report

Regular On-Site Inspection Report of Continuous Supervision Work for 2025 by Guotai Junan Securities Co., Ltd. on Shanghai Guolan Testing Co., Ltd.

2025 Continuous Supervision Training Situation Report by Guotai Junan Securities Co., Ltd. on Shanghai Guolan Testing Co., Ltd.

2025 Continuous Supervision Tracking Report by Guotai Junan Securities Co., Ltd. on Shanghai Guolan Testing Co., Ltd.

Verification Opinion from Guotai Junan Securities Co., Ltd. on the Use of Part of the Idle Raised Funds and Own Funds for Cash Management by Shanghai Guolan Testing Co., Ltd.

Summary Report on Continuous Supervision and Sponsorship of the Initial Public Offering and Listing on the Growth Enterprise Market of Shanghai Guolan Testing Co., Ltd. by Guotai Junan Securities Co., Ltd.

2025 Annual Work Report of Independent Director - Che Hailin from Shanghai Guolan Testing Co., Ltd.

2025 Annual Work Report of Independent Director - Li Zhonghua from Shanghai Guolan Testing Co., Ltd.

2025 Annual Work Report of Independent Director - Ma Hong from Shanghai Guolan Testing Co., Ltd.

2025 Environmental, Social, and Governance (ESG) Report by Shanghai Guolan Testing Co., Ltd.

Verification Opinion from Guotai Junan Securities Co., Ltd. on the Self-Evaluation Report of Internal Control for 2025 by Shanghai Guolan Testing Co., Ltd.

Internal Control Audit Report by Shanghai Guolan Testing Co., Ltd. Rongcheng Audit Document [2026] 200Z2589

Self-Evaluation Report on the Effectiveness of Internal Control by Shanghai Guolan Testing Co., Ltd. - 013

Announcement on the Application for Credit Limit from China Merchants Bank by Shanghai Guolan Testing Co., Ltd. - 014

Announcement on Changes in Accounting Policies by Shanghai Guolan Testing Co., Ltd. - 012

Verification Opinion from Guotai Junan Securities Co., Ltd. on the Estimated Amount of Daily Related Transactions by Shanghai Guolan Testing Co., Ltd.

Verification Opinion from Guotai Junan Securities Co., Ltd. on the Estimated Amount of Daily Related Transactions by Shanghai Guolan Testing Co., Ltd.

Announcement on the Estimated Amount of Daily Related Transactions by Shanghai Guolan Testing Co., Ltd. - 010

Notice of the 2025 Annual Shareholders' Meeting of Shanghai Guolan Testing Co., Ltd. - 009

Resolution Announcement of the 17th Meeting of the Second Board of Directors of Shanghai Guolan Testing Co., Ltd. - 008

Announcement on the Profit Distribution Plan for 2025 by Shanghai Guolan Testing Co., Ltd. - 007

Q1 2026 Report

Special Report on the Storage and Actual Use of Raised Funds by Shanghai Guolan Testing Co., Ltd. for 2025 - 011

Special Report on the Annual Storage, Management, and Use of Raised Funds by Shanghai Guolan Testing Co., Ltd. Rongcheng Special Document [2026] 200Z0403

Verification Opinion from Guotai Junan Securities Co., Ltd. on the Storage and Actual Use of Raised Funds by Shanghai Guolan Testing Co., Ltd. for 2025

Evaluation Report on the Performance of the Accounting Firm for 2025 by Shanghai Guolan Testing Co., Ltd.

Report from the Audit Committee of the Board of Directors of Shanghai Guolan Testing Co., Ltd. on the Supervision Responsibilities of the Annual Audit Accounting Firm for 2025

Special Explanation on Non-Operating Fund Occupation and Other Related Fund Transactions by Shanghai Guolan Testing Co., Ltd. Rongcheng Special Document [2026] 200Z0394

Summary Table of Non-Operating Fund Occupation and Other Related Fund Transactions for 2025 by Shanghai Guolan Testing Co., Ltd.

Special Report on the Self-Examination of the Independence of Independent Directors by the Board of Directors of Shanghai Guolan Testing Co., Ltd.

2025 Annual Audit Report

2025 Annual Report Summary

Guotai Junan Securities Co., Ltd. Verification Opinion on Shanghai Guolan Testing Co., Ltd.'s Use of Part of the Idle Raised Funds and Own Funds for Cash Management

Announcement from Shanghai Guolan Testing Co., Ltd. on the Use of Part of the Idle Raised Funds and Own Funds for Cash Management - 015