On May 5, the second Tianjin-Beijing oil tube of Beijing Daxing International Airport officially started oil transport, and in the meantime the airport fuel depot was supplied with fuel storage, marking that the aviation fuel project of Beijing Daxing International Airport has been successfully accepted and the "energy veins" of the airport has been officially connected. The whole process was witnessed by CAAC Deputy Administrator Dong Zhiyi during his visit at Beijing Daxing International Airport for inspection on airport construction and operation preparations.