Staff members work at the distribution center of Hengyang branch of China Post in Hengyang City, central China's Hunan Province, Nov. 12, 2018. Statistics from the State Post Bureau showed that around 1.35 billion delivery orders were placed by major e-commerce companies on Singles' Day online shopping promotion on Nov. 11. China's e-commerce giant Alibaba launched the annual online shopping promotion on Nov. 11, 2009, a day celebrated by many Chinese young people as Singles' Day. (Xinhua/Cao Zhengping)