Sam Tsang | Head of Investor Relations |
Kate Wang | Co-founder, Chief Executive Officer |
Chao Lu | Chief Financial Officer |
Louise Li | Bank of America |
Lydia Ling | Citi |
Charlie Chan | Sana Renaissance |
Peihang Lyu | CICC |
Hello, ladies and gentlemen. Thank you for standing by for RLX Technology, Inc.'s Fourth Quarter and Full Year 2021 Earnings Conference Call [Operator Instructions]. Today's conference call is being recorded and is expected to last for about 50 minutes. I will now turn the call over to your host, Mr. Sam Tsang, Head of Investor Relations for the company.