What is the relationship between Beichen Science Park and Beichen Economic and Technological Development Zone?

Beichen Development Zone includes "one zone and four parks", including the core area of economic and technological development zone, Beichen Science Park, national independent innovation demonstration zone, high-end equipment manufacturing industrial park, land port logistics equipment industrial park, medical and medical equipment industrial park, etc. It is a frontier economic block with three gold-lettered signboards: National Economic and Technological Development Zone, National Independent Innovation Demonstration Zone and National Press and Publication Equipment Industrial Park. Therefore, Beichen Science Park is a sub-region of Beichen Economic and Technological Development Zone.