How many acres is there in Jian Zheng Campus of Nanning Normal University?

More than 670 acres. Nanning Normal University has five campuses: Wuhe, Wuming, Ming Xiu, Changgang and Jian Zheng. Jian Zheng Campus of Nanning Normal University covers an area of 670 mu, with 23160000 books and 2,830,800 e-books. There are 24 teaching and research institutions and 70 undergraduate majors.