Tianjin Port Dongjiang construction and Development Co., Ltd., founded in 2004, is located in the joint inspection service center of phase I, meiamerica Road, Dongjiang Bonded Port Area of Tianjin port, and is a wholly-owned subsidiary of Tianjin Port Group. The company is mainly responsible for the construction and development of Dongjiang port area. At the beginning of its establishment, its main positioning was to implement the reclamation and land reclamation of Dongjiang port area and the construction of infrastructure supporting facilities (excluding regional power supply, gas supply and heating). With the gradual maturity of the construction of Dongjiang port area, according to the unified deployment of the group company, it also undertakes the maintenance of regional facilities step by step, and provides service support for the local government and enterprise institutions.

Tianjin Lingang Industrial Investment Holding Co., Ltd. was established on September 30, 2007, and is a joint venture of Tianjin Port (Group) Co., Ltd., CCCC first harbor Co., Ltd., Tianjin Lingang Investment Holding Co., Ltd. and CCCC Tianjin Waterway Bureau Co., Ltd. The business scope of the company includes the construction and development, infrastructure construction, project development and related services of the southern area of Tianjin Port Free Trade Zone (the former port industrial zone). After more than ten years of development, the southern area near the port has obtained the approval of zoning planning, port planning, marine function zoning, detailed control planning, and actively promoted the special planning.

Bulk logistics company, as the main body of the development, construction and operation of bulk logistics center, was established in 2001, jointly funded by seven large state-owned enterprises such as Tianjin Port Group. As a business entity in the central area, relying on the sustainable development of the bulk logistics center, bulk logistics companies have business production functions such as infrastructure construction, warehousing and handling, transportation organization, processing value-added, distribution and distribution, and comprehensive services, and expand to urban development and supporting service functions such as real estate development, greening and management, express logistics, property services, etc. through their diversified enterprises.