Tianjin binhai hi-tech industrial development area, referred to as Tianjin High-tech Zone for short, includes the former Huayuan Industrial Park (inside and outside the outer ring) and Binhai Science and Technology Park (inside Dongli Lake, north of West Development Zone and east of Airport Bonded Zone). Ninghe River will be expanded in the future.

Tianjin Economic and Technological Development Zone, referred to as Development Zone for short, is divided into East Zone and West Zone, both within the administrative area of Tanggu.

It should be noted that these two areas are both functional areas, which are different from the definition of administrative areas. Peace in the city, Hexi and Hebei are all administrative regions, and the development of bonded high-tech zones is all functional regions. Self-management in administrative divisions.

Development and high-tech are one of the nine functional areas in Binhai New Area, ranking first and third.