On April 16, the return module of Shenzhou 13 manned spacecraft successfully landed at the Dongfeng landing site, and the six-month space trip of the “business trip trio” was successfully completed, setting a new record for the continuous on orbit flight length of Chinese astronauts. As an important unit of search and rescue communication support at the landing site, China Unicom has effectively improved its political position, resolutely shouldered the responsibilities of central enterprises, and created a high-quality communication network environment for the safe return of Shenzhou 13 manned spacecraft with the highest standards, the strictest requirements, the most practical measures and the best service.