According to the relevant public video, Zhang Lan cut a pair of jeans into a satchel in a live broadcast, which is why the jeans became a bag.
Zhang Lan, 1958, was born in Beijing on April 7th. At the age of nine, he moved to Xiaogan City, Hubei Province with his parents and graduated from cheung kong graduate school of business, Beijing Technology and Business University. He is an entrepreneur and the founder of South Beauty.