Operator Good day, and welcome to the Yatsen first-quarter 2021 earnings conference call. Today's conference is being recorded. At this time, I would like to turn the conference over to Irene Lyu, head of strategic investment and capital markets. Please go ahead. Irene Lyu -- Head of Strategic Investments and Capital Markets Thank you, operator. Please note that the discussion today will contain forward-looking statements relating to the company's future performance and are intended to qualify for the safe harbor from liability as established by the U.S. Private Securities Litigation Reform Act. Such statements are not guarantees of future performance and are subject to certain risks and uncertainties, assumptions, and other factors.