The name of Binyang (宾阳) county is misspelled as Bingyang.
We will correct this error on this website and in the 20th edition database of the Ethnologue.
The Yongbei Zhuang New Testament and Old Testament portions (Genesis, Exodus, Ruth, Jonah) have now been published (2016). This project was sponsored by the Seed Company.
We will add this information for Yongbei Zhuang [zyb] in the database for our next edition of the Ethnologue.