|Rene Vanguestaine||Investor Relations, President and Chief Executive Officer at Christensen & Associates|
|Weidong Luo||Chairman, Chief Executive Officer|
|Shan-Nen Bong||Chief Financial Office|
|Jacob Silverman||Alliance Global|
|Ryan Roberts||Navis Capital|
Ladies and gentlemen, thank you for standing by and welcome to the Aurora Mobile second quarter 2021 earnings conference call. At this time, all participants will are in a listen-only mode. After the speakers' presentation, there will be a question-and-answer session. [Operator Instructions]. Please be advised that today's conference is being recorded.