NEUI has obtained multiple qualification certificates issued by the Ministry of Construction, including Grade-A engineering design qualification certificate for nonferrous metals industry (metal smelting engineering), Grade-A engineering design qualification certificate for architectural industry, Grade-B engineering design qualification certificate for metallurgical industry and Grade-B engineering design qualification certificate for Environment Engineering (Air Pollution Control Engineering). NEUI has also obtained engineering design qualification certificate for high-pressure vessels and pipelines issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China (AQSIQ).

In 2004, NEUI established quality management system based on ISO9001:2000. In 2008, NEUI established ISO 9001:2008 quality management system, and obtained ISO 9001 International Quality System Certification, being awarded “AAA Credit Rating Enterprise” authorized by the China nonferrous metals industry.