On the afternoon of September 2, 2021, king-join hosted the cloud ceremony of the 2^nd “Smart Use of Resources Day” Open Event, with the theme of “Patriotic Speeches of the Historical Heritage of CPC and king-join--the Fifth Anniversary of king-join & SINOMA Combination”. Reporters from 30 press and media, including People.cn, Xinhua News, CCTV, Guangming Daily, and Economic Daily, and some staff representatives in Beijing attended this ceremony.