The Highest Level (Jia Ji in Pinyin) for Engineering Supervision Qualifications for Projects for Highways and Super Long Tunnels and Super Large Bridges, granted by the Ministry of Transport of the People's republic of China

The Highest Level (Jia Ji) for Engineering Test and Detection Qualifications for Highway and Waterway Engineering Materials, granted by the Ministry of Transport of the People's Republic of China

The Highest Level (Jia Ji) for Engineering Design Qualification for Highway Engineering granted by the Ministry of Housing and Urban-Rural Development

The Second Highest Level (Yi Ji in Pinyin) for Engineering Supervision Qualification for Urban Road and Municipal Utility Engineering Projects, granted by the Ministry of Housing and Urban-rural Development of the People's Republic of China

The Second Highest Level (Yi Ji) for Engineering Survey Qualification, granted by the Ministry of Housing and Urban-rural Development of the People's Republic of China

China Metrology Accreditation (CMA) granted by Shandong Quality and Technical Supervision Bureau

Quality Management Certificate ISO9001

Environmental Management System Certificate of Conformity ISO14001

Occupational Health and Safety Management System Certification OHSAS 18001




Waterway Engineering Materials Test and Detection Organization (Yi JI) .png
Engineering Design_Survey and Investigation_Jiaji_qualification certificate granted by MOHURD
Geotechnical Investigation and Surveying_Engineering Surveying_Grade B (YiJi in Pinyin) & Geotechnical Engineering_Grade C (BingJi in Pinyin)

Enginerring Supervision_Bridge_Exceptional_Separated Project

Design _Public works_Road Engineering _Grade C (BinJi in Pinyin) qualification certificate granted by the Housing and Urban- Rural Development Department of Shandong Province

Engineering Supervision_Highway_Integrated_Jia Ji

Engineering Supervision_Tunnel_Exceptional_Separated Project

Engineering Supervision_Urban and Municipal Utilities_Yi Ji

Engineering Design_Highway_Jiaji_qualification certificate granted by MOHURD

Qualifications(图35)

Qualifications(图36)

Qualifications(图38)

Qualifications(图39)

Qualifications(图40)

Qualifications(图37)

Qualifications(图42)Qualifications(图41)