A staff member sorts parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

Staff members sort parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

A staff member sorts parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

Staff members sort parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

Staff members sort parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

A staff member sorts parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

Staff members sort parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

A staff member transfers packages at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

Staff members sort parcels at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)

Staff members work at a branch of China Post in Harbin, northeast China's Heilongjiang Province, Nov. 10, 2025. With the "Double Eleven" online shopping festival approaching, a branch of China Post in Harbin has taken measures to ensure package delivery. (Xinhua/Zhang Tao)