Joint Filing Agreement
Pursuant to Rule 13d-1(k)(l) promulgated pursuant to the Securities Exchange Act of 1934, as amended, the undersigned agree that the attached Schedule 13G is being filed on behalf of each of the undersigned.
|June 21, 2019||Zheng Hui Investments Limited|
|By:||/s/ Qian (Eugene) Hu|
|June 21, 2019||Qian (Eugene) Hu|
|/s/ Qian (Eugene) Hu|