As a state-level large-scale comprehensive survey and design company, our businesses involve defense industry, civil aviation products, civil and general aviation, civil construction, municipal environment, infrastructure and civil industry represented by pharmaceutical engineering, etc, forming three business areas of consultancy and design, engineering procurement construction and equipment general contracting, being capable of providing whole-value chain services to customers in many fields, such as planning, consultancy, geotechnical survey, design, construction, operation, equipment general contracting and consequent evaluation solution. We also forge a worldwide leader in large span structure, aircraft and engine maintenance engineering, science and technology expo building, aviation planning and construction, large-scale aeronautical test equipment design and manufacturing, energy and environmental engineering, construction and operation, survey and measurement technologies and other fields.