The business scope includes other engineering design services; General contracting of engineering construction; Engineering supervision services; Engineering project guarantee services; EPC services; Engineering project management services; Engineering technical consulting services; Housing construction engineering design services; Interior decoration design services; Architectural material design and consulting services; Model design services; Booth design services; Packaging and decoration design services; Industrial design services; Decorative design services for ornaments; Furniture design services; Wholesale of household accessories; Wholesale trade of goods (excluding licensed and approved goods); Internet product sales (excluding licensed and approved products); Retail trade in goods (excluding licensed and approved goods); Internet retail of goods (excluding licensed and approved goods); Furniture wholesale;