Yes it seems they have 100 on one dosage, 100 one a different dosage and 100 in a placebo group.

According to the register, the study execution time should be "2020-01-31 To 2020-02-29"

But nobody seems to have any insight on the final results. But I would recommend this article with comments of the study leader (Dr Zhang Zhan). The article also explains how they initially discovered the efficiency of the drug by just noticing there were no lupus patients (who were under chronic treatment of hydroxichloroquine) infected with covid19.

https://www.jqknews.com/news/388543-The_novel_coronavirus_pn...