Business License

Work Safety Permit

Permit for Installation, Repair, and Testing of Electric Power Facilities

Grade-A Qualification Certificate for Professional Engineering Survey (Geotechnical Engineering)

Qualification Certificate for Construction Enterprises --
Grade-1 Contracting for Building Decoration and Finishing, Foundation Engineering;
Grade-2 General Contracting for Municipal Public Works, Building Construction, Mechanical and Electrical Engineering, ELectric Power Engineering;
Grade-2 Contracting for Environmental Protection Projects

Qualification Certificate for Construction Enterprises --
Grade-1 General Contracting for Water and Hydropower Projects;
Grade-1 Professional Contracting for Tunnel Engineering;
Grade-1 Professional Contracting for River-Lake Rehabilitation

Qualification Certificate for Construction Enterprises --
Construction Labor Contracting

Qualification Certificate for Engineering Survey (Labor Service - Engineering Drilling)

ISO 9001:2015 Quality Management System Certificate

Quality Management System Certificate

Environment Management System Certificate

Occupational Health and Safety Management System Certificate

Health, Safety and Environmental Management System Certificate