2020 was a difficult and challenge year, which put the world in the pandemic of covid-19, but it was also a year which we were able to react, remain untied and commit ourselves foremost. We are proud of our team contributing our best to flight against covid-19. Longfian team has delivered a few millions oxygen concentrator in 2020 to the world. We race with time, make sure the oxygen concentrators can be arrived at patients one moment earlier. In 2021, we will continue our commitment to do our work best. We trust everything will be better and better in the coming new year! Wish everyone happy new year!!