Engineering and technical consulting services; Enterprise management consulting services; General contracting services; Housing construction engineering design services; Power engineering design services; Geotechnical engineering survey services; Investment consulting services; Monitoring system engineering installation service; Lease of construction machinery and equipment;
Other engineering design services; General contracting of engineering construction; Engineering supervision service; Mechanical equipment leasing; Installation of building power system; Energy-saving technology promotion service; Professional contracting of mechanical and electrical equipment installation engineering; Intelligent installation engineering services; Engineering cost consulting service; Bidding agency services for engineering construction projects; Engineering survey and design; Power electronics technical services; Municipal engineering design services;
Energy-saving technology development services; Geotechnical engineering design services; Professional contracting of power transmission and transformation engineering; Housing lease; Electronic automation engineering installation service; Professional contracting of fire protection facilities engineering; Fire control facilities engineering design and construction; Mechanical and electrical equipment installation services; Professional contracting of building curtain wall engineering;
Decoration, renovation and cleaning in the later stage of construction projects; Interior decoration and decoration; Subcontracting of construction services; Bidding consulting services; Bidding agency service; Landscape architecture engineering design services; Interior decoration design services; Special design services for environmental engineering; Undertake (repair and test) power facilities.