Housing construction project、 design, Steel structure engineering, Waterproof, anti-corrosion and thermal insulation engineering, Landscaping Project, Security Engineering, Mechanical and electrical installation engineering, Pipeline Engineering, Plumbing, electricity and heating installation projects, Municipal Engineering, Building curtain wall engineering, Fire protection facilities engineering, Intelligent building engineering, Highway Engineering, Metallurgical Engineering, Foundation Engineering, Communication Engineering, Purification Engineering, Water conservancy and hydropower projects, Power Engineering, Power transmission and transformation projects, Environmental Protection Engineering, Electronics and Intelligent Engineering, Urban and road lighting projects, Formwork and scaffolding engineering, Earthwork, Indoor and outdoor decoration projects, Construction labor subcontracting, Demolition construction( blasting Except homework), Land development, land consolidation, Construction Project Management, Project Supervision, Construction project cost consulting、 Evaluate, Grid、 Aluminum alloy production、Install、 Sale, boiler、 pressure pipes、 Elevator installation、 Transformation、 repair, Undertaking( build、 try) Power facilities, Construction machinery and equipment、 Sales of mining machinery and accessories、 lease、 repair, Hardware、 Power、 Building Materials、 Decorative materials、 Metal materials、 office supplies、 Monitoring equipment、 Leisure sports equipment、 Spray-bonded cotton、 Quilted products、 Non-woven products、 Geogrid、 Fiberglass grating、 Polyester grille、 Plastic grille、 Steel-plastic grille、 Geocell、 Geotextile、 Geomembrane、 Geonet、 Felt、 Cold patch material、 fitness equipment、 Household items、 Metal products、 Steel sales, Drying Chair、 parasols、 Tent processing, Housekeeping service, Cargo handling、 loading and unloading、 Loading, Lifting equipment installation、 Transformation、 repair、 lease、 Sale, State Law、 Regulations、 Import and export trade within the scope permitted by policies( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval), Network technology research and development、 Technology Promotion、 Technical Consulting。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)