Business scope includes accommodation services; Travel agency services; Exhibition services; Ceremonial service; Property services; Domestic service (excluding labor dispatch); Cleaning service (excluding high work); Ticketing services; Car park services; General cargo handling, loading and unloading services; Domestic freight forwarding brokerage services; Storage services (excluding cold storage, hazardous chemicals and Class I precursor chemicals); Environmental technology Promotion services; Biotechnology Extension Services; Agricultural technology extension services; Internet information services (operating with a license); Data processing; Internet of Things technology services; Landscape engineering construction; Housing construction project construction; Municipal road construction; Highway engineering construction; Steel structure engineering construction; Construction of building decoration and decoration engineering