Operator
Operator
Good morning and good evening, ladies and gentlemen. Thank you and welcome to 21Vianet Group's Second Quarter 2021 Earnings Conference Call. At this time, all participants are in a listen-only mode. We will be hosting a question-and-answer session after management's prepared remarks. With us today are Mr. Samuel Shen, Chief Executive Officer and Executive Chairman of Retail IDC; Mr. Tim Chen, Chief Financial Officer; and Ms. Xinyuan Liu, Investor Relations Director of the company. I will now turn the call over to the first speaker today, Ms. Liu, IR Director of 21Vianet. Please go ahead, ma'am.