2. Qingdao Branch: responsible for the development and construction of "Tiantong Sun City" project in Laixi City. As one of the key projects of Qingdao municipal government, the project has won unanimous praise from the government and society. Tiantong Group responded to the call of the district government to transform the old Fangzi area, actively cooperated with the transformation and construction of Yiwu Trade City in the old area, and announced the formal cross-border entry into the commercial operation field.