Dongwu Securities Co., Ltd. on the 2025 Annual Continuous Supervision On-Site Inspection Report of Beijing Wanbangda Environmental Technology Co., Ltd.

Sponsor Institution Name:

Dongwu Securities Co., Ltd.

Sponsored Company Abbreviation:

Wanbangda (300055)

Sponsor Representatives:

Name: Wang Xingtian
Contact: 0512-62938523
Name: Du Haitao
Contact: 0512-62938523

On-Site Inspection Personnel:

Wang Xingtian, Du Haitao

Inspection Period:

2025 Annual

Inspection Dates:

December 26, 2025, April 23, 2026

I. On-Site Inspection Matters

Inspection Opinions

1. Corporate Governance

   • Inspection Methods: On-site visit to the main operating locations; review of company articles, meeting records, disclosure documents, and interviews with relevant personnel.
   • Is the company's articles and governance system complete and compliant? √
   • Are the articles and meeting rules effectively executed? √
   • Are the meeting records complete, including time, location, attendees, and content? √
   • Are meeting resolutions confirmed by signatures of attendees? √
   • Do the directors, supervisors, and senior management fulfill their duties according to laws and regulations? √
   • Are there proper procedures and disclosures for significant changes in directors, supervisors, and senior management? √
   • Are there proper procedures and disclosures for changes in controlling shareholders or actual controllers? √
   • Are the company’s personnel, assets, finances, institutions, and operations independent? √
   • Is there no competition between the company and its controlling shareholders or actual controllers? √

2. Internal Control

   • Inspection Methods: Review of internal control systems, internal audit department documents and reports; review of audit committee work rules and meeting records.
   • Is there an internal audit system established according to regulations? √
   • Was the internal audit system established within six months after listing? √
   • Is the composition of the internal audit department and audit committee compliant? √
   • Does the audit committee meet at least quarterly to review internal audit plans and reports? √
   • Does the audit committee report quarterly to the board on internal audit progress and issues? √
   • Does the internal audit department report quarterly to the audit committee on audit plan execution and findings? √
   • Does the internal audit department audit the use of raised funds at least quarterly? √
   • Does the internal audit department submit the next year's audit plan to the audit committee two months before the fiscal year-end? √
   • Does the internal audit department submit an annual internal audit report to the audit committee within two months after the fiscal year-end? √
   • Does the internal audit department submit an internal control evaluation report at least annually? √
   • Are there complete and compliant internal control systems for risk investment, entrusted financial management, and hedging? √

3. Information Disclosure

   • Inspection Methods: Review of information disclosure systems, documents, and approval forms; interviews with relevant company personnel.
   • Are disclosed announcements consistent with actual situations? √
   • Is the disclosed content complete? √
   • Have disclosed matters not undergone significant changes or achieved important progress? √
   • Are there no significant matters that should have been disclosed but were not? √
   • Do the processes for transmitting and disclosing major information comply with the company's disclosure management regulations? √
   • Are investor relations activity records timely published on the interactive website? √