Operator
Operator
Ladies and gentlemen, thank you for standing by, and welcome to Canaan Inc.'s Second Quarter 2021 Earnings Conference Call. At this time, all participants are in a listen-only mode. After the management's prepared remarks, we will have a question-and-answer session. Please note this event is being recorded. Now, I will like to hand the conference over to your speaker today, Ms. G. Zhang [ph], Investor Relations Manager of the company. Please go ahead, Ms. Zhang.