Professional contracting of building decoration and renovation projects, Construction labor services, Landscaping Project, Earthwork, Fire protection facilities engineering, Steel structure engineering, Building curtain wall engineering( The above projects are operated within the validity period with qualification certificates and safety production licenses), Environmental Art Design( Operating with qualification certificate); Security monitoring system installation( Except for special national regulations), Door and window design、Install, Graphic Design、 Production, Marketing Planning, Corporate image design, Stage art design, Exhibition Services, Product information consultation, Enterprise Management Consulting( Except for projects with special national funding, the above projects); Sale: Building decoration materials( Removal of hazardous chemicals and wood)、 Handicrafts、 Stationery and sports supplies、 office equipment、 Daily necessities、 Mechanical equipment、 Security monitoring equipment( Except for national controlled products); Self-operated and agency import and export business of general business items, commodities and technologies( Except for goods and technologies that the state restricts companies from operating or prohibits import and export)。