Construction general contracting for housing construction projects

General Contracting for Municipal Public Works Construction

Professional contracting of steel structure engineering

Professional contracting of foundation engineering

Electronic and Intelligent Engineering Professional Contracting

Professional Contracting of Building Mechanical and Electrical Installation Engineering

Professional contracting of building curtain wall engineering

Professional contracting of ancient architectural engineering

Professional contracting of urban and road lighting engineering

Professional Contracting of Environmental Protection Engineering

Professional contracting of fire protection facilities engineering

Professional contracting of building decoration and renovation engineering

General contracting of water conservancy and hydropower engineering construction

General contracting of power engineering construction

General Contracting for Communication Engineering Construction

General Contracting for Port and Waterway Engineering Construction

Metallurgical Engineering Construction General Contracting

Grade A in the engineering design and construction industry

Special Class B Landscape Architecture Engineering Design

Grade B urban and rural planning compilation

Surveying and Design Class B

General contracting of complete sets of foreign aid projects

Labor qualification

Three types of qualifications for medical devices