Excuse me, what is the property right term of Nanjing West Road Mansion Project in Jing 'an District?

Nanjing West Road Mansion Project was acquired in 1990s, and the land is of comprehensive nature, with a service life of 50 years. There are still about 25 years left. After the expiration, the project can be automatically renewed according to the resolution of the two sessions last year because it belongs to the house. Remarks: Comprehensive land refers to the same piece of land, including two or more uses such as residence, commerce and office.