EXHIBIT 12.1
Certification by the Principal Executive Officer
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
| (b) | Any fraud, whether or not material, that involves management or other employees who have a significant role in the company's internal control over financial reporting. |
Date: |
| March 12, 2020 |
|
|
|
By: |
| /s/ Yu Gong |
Name: |
| Yu Gong |
Title: |
| Chief Executive Officer |