Licensed Projects: Construction project construction, Residential interior decoration, Construction labor subcontracting。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Foreign contracting projects, Metal door and window construction, Metal structure manufacturing,Earthwork construction, Landscaping project construction, Professional design services, Door and window manufacturing and processing, Door and window sales, Building materials sales, Sales of building decoration materials, Anti-corrosion material sales, Insulation material sales, Hardware product retail, Hardware wholesale, Pneumatic and electric tool sales, Electrical equipment sales, Metal cutting and welding equipment sales, Sales of labor protection products, Electrical equipment sales,Sales of electrical instruments and meters,Chemical product sales( Does not contain permitted chemical products), Daily necessities sales, Sales of pneumatic power machinery and components, Sales of non-metallic minerals and products, electric wire、 Cable Operations, Sales of power electronic components, Gas compression machinery sales, Metal tool sales, Paint sales( No hazardous chemicals), Firefighting equipment sales, Office supplies sales, Office equipment supplies sales, Mechanical parts、 Parts Sales, mold sales, Home appliance parts sales, Sales of building waterproofing membrane products, Import and export of goods,Labor Services( Excluding labor dispatch)。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)