Duan Rui, female, born in Beijing, 1978, graduated from Peking University with a master's degree, and is the wife of Cai Lei, former vice president of JD.COM. Cai Lei, male, 1978 was born in Shangqiu City, Henan Province in May. He graduated from Central University of Finance and Economics, promoted electronic invoices in the field of e-commerce in China, and was a progressive entrepreneur. He was the former vice president of JD.COM Group. Duan Rui, the current chairman of Beijing Eskom Medical Technology Co., Ltd., met Cai Lei through blind date. Duan Rui is younger than Cai Lei 1 1 year. After meeting for a month or two, they decided to get married and soon had a son.