It was banned in Zhejiang province in November 2014. Now, I don't dare to use chat on U anymore because I'm afraid of being recorded.
Why not join Zhejiang Group? It's a great way to connect with people in Hangzhou (145.1) and Ningbo (145.05) in the Zhejiang and Jiangsu provinces.It's easy to make contacts in Hangzhou Bay area near Shanghai.