From May 17 to 22, 2026, an expert audit team from China Quality Certification Group conducted a 6-day external recertification audit of the three management systems for our company.The audit covered all business processes and links of the company, aiming to comprehensively evaluate the operation of our quality, environmental and occupational health and safety management systems, and verify full compliance with national standards and industry specifications.All functional departments of the company headquarters and the Qingyang Project Department in Gansu attached great importance to the audit and provided full cooperation, ensuring the completeness, thoroughness and effectiveness of the whole audit work.

During the audit, the expert team conducted a comprehensive, meticulous, and rigorous review by examining system documents, verifying process records, conducting on-site inspections at construction sites, and interviewing management and frontline personnel. The audit focused on quality control processes, environmental protection measures, and the operational effectiveness of the occupational health and safety management system. Covering all stages—from initial project planning and implementation of quality plans to safety and environmental compliance throughout construction, as well as the enforcement of occupational health and safety safeguards for workers—the team performed thorough verification across the entire process, all dimensions, and full scope, strictly comparing against the system standards item by item.

Following six days of rigorous and meticulous on-site audits, the audit team fully affirmed our company's achievements in system development during the concluding meeting, highly praising key initiatives such as standardized on-site management, real-name registration for safety personnel, comprehensive video surveillance coverage, dynamic subcontractor oversight, and flexible workforce management. Meanwhile, targeted improvement recommendations were provided to address weaknesses in areas including temporary electrical usage, fire equipment management, instrument calibration, contract administration, and emergency drill implementation.

At the concluding meeting, Li Shuai, the company's Chief Economist, expressed sincere gratitude to the audit team experts for their diligent work and professional guidance over recent days. He thanked the expert panel for conducting comprehensive, systematic verification and objective evaluation of all business segments. In response to the audit team's recognition, all employees should remain humble, acknowledge shortcomings, and clearly recognize that management improvement is an ongoing process—one that must not stagnate or become complacent. They should keep pace with industry trends, continuously deepen management practices, enhance control precision, and strengthen the foundation of system operations. The company will leverage this external audit as an opportunity to address identified issues through targeted corrective measures, comprehensively reinforce standardized and refined management, further enhance core competitiveness, and establish solid foundations for expanding market presence and achieving high-quality development.