1, Yu Kefei and Yu Yajun are brothers, and Yu Kefei and Liu Saichun are husband and wife.

2. Yu Kefei, a native of Yingshan, Hubei, was born in 1962. Yu Kefei 1983 graduated from Taiyuan Institute of Machinery. He is currently studying in Class 3 179 1 of north university of china Automatic Control Specialty, and is currently the chairman of Beijing Meilixin Holdings Co., Ltd. Previously, Yu Kefei's alumni had established "Meilixin Scholarship" and "Meilixin Scholarship" in north university of china.