Partnership. According to Aiqi's inquiry, Lei Yun is the legal representative of Horgos Yi Rui Enterprising Culture Media Co., Ltd., Wuhan Xiaomi Jingming Technology Co., Ltd. and Xi 'an Xiaomi Jingming Technology Co., Ltd., and the legal representative, executive director and manager of Xiaomi Intelligent Technology Co., Ltd., and there is a relationship of company cooperation and product mutual assistance between them.