What is the relationship between Song Shuxing and Xue in Qingdao?

Song Shuxing and Xue from Qingdao are partners. Song Shuxing worked as an executive in seven companies, including Qingdao Yu He Construction Co., Ltd., Qingdao Huangdao Ruifeng Microfinance Co., Ltd., Qingdao Wei Yan Toys Co., Ltd., Qingdao Yuheng Commercial Co., Ltd., Qingdao Yiqing Logistics Co., Ltd., Qingdao Xishan Network Technology Co., Ltd. and Haixinju Hotel in Qingdao Economic and Technological Development Zone. Xue worked as an executive in Qingdao Xinhengjia Industrial Co., Ltd., Qingdao Liuxiangge Cook Niu Kitchen Catering Management Co., Ltd. and Qingdao Shibei Hongfusheng Aquatic Products Wholesale Department.