Operator
Operator
Hello, ladies and gentlemen. Thank you for standing by for Viomi Technology Co. Limited Earnings Conference Call for the Fourth Quarter and Full Year 2019. At this time, all participants are in listen-only mode. Today's conference call is being recorded. [Operator Instructions] I will now turn the call over to your host, Ms. Cecilia Li of The Piacente Group, the company's Investor Relations Partner. Please go ahead, Cecilia.