Hoki Luk | Head of Investor Relations |
Sizhen Wang | Chief Executive Officer and Chairman of the Board |
Yun-Fu Hu | Chief Medical Officer |
Evan Ce Xu | Chief Financial Officer |
Hai Yan | Chief Technology Officer |
Yuchen Jiao | Chief Technology Officer |
Sung Ji Nam | BTIG |
Yang Huang | Credit Suisse |
Good day and thank you for standing by. Welcome to the Fourth Quarter 2021 Genetron Health Earnings Conference Call. At this time, all participants are in a listen-only mode. After the speakers' presentation, there'll be a question-and-answer session. [Operator Instructions] Please be advised that today's conference may be recorded.