Kai, the founder of Yulin Windows Website, 1980 was born in Yulin, Shaanxi Province in February, with a university degree. He joined the work in 2002 and founded Yulin Window in 2006. Cui Kai is from Yulin, Shaanxi. Although he majored in music education, he has always been interested in computers and the Internet. After graduation, he came to Zhongguancun, Beijing to work in computer hardware, and began to work in an Internet company in 2003.