The construction of high grade highway, large bridge, national and provincial road construction, project management, maintenance and reinforcement and

The construction, project management and project management consultation of Municipal Engineering

The general contract and engineering consulting business in the field of civil engineering in the market of the Latin American region and the overseas

Service to urban underground space construction and project management, mainly engaged in the construction of urban underground comprehensive corridor

Overseas trade is the field of diversified development of companies. Agents and sales of imported products mainly import staple trade products such as

The intelligent operation and maintenance management of the underground comprehensive pipe corridor and other infrastructure assets management in the