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. (Photos: Xinhua)

A woman works at the Guizhou delivery service area in Longli County, southwest China's Guizhou Province, Nov. 11, 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.

Staff members work at the distribution center of a delivery company in Lianyungang City, east China's Jiangsu 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.

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.

Staff members work at the distribution center of a delivery company in Lianyungang City, east China's Jiangsu Province, Nov. 11, 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.

Staff members work at the distribution center of a delivery company in Nantong City, east China's Jiangsu Province, Nov. 11, 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.

A logistic worker of an e-commerce company distributes items in Hai'an City, east China's Jiangsu Province, Nov. 11, 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.

A woman works at the distribution center of a delivery company in Changzhou City, east China's Jiangsu Province, Nov. 11, 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.

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.