Operator
Operator
Good evening and good morning ladies and gentlemen, and thank you for standing by for 17EdTech's First Quarter 2021 Earnings Conference Call. At this time, all participants are in listen-only mode. After the management's prepared remarks, there will be a question-and-answer session. As a reminder, today's conference call is being recorded. I will now turn the meeting over to your host for today's call Mr. Raymond Huang, 17EdTech's Investor Relations Director. Please proceed, Raymond.