Zhang Huanrong, from Xiangfen County, Shanxi Province, and her husband "Beipiao" have been working hard for more than 20 years. In 2016, the couple became delivery knights, and have been running orders for over 7 years.
When female riders in their 50s meet foreign users, they can communicate in English, and even when they have a jam. This folding booklet, which is more than 1 meter long, is a "bilingual running booklet" hand-drawn by her daughter for her mother.