With the increasing purchasing power of Chinese consumers, more and more people buy goods directly through overseas websites. According to China's relevant policies, the purchase of more than rmb 5,000 worth of goods or multiple pieces needs to be declared by the agency with import and export qualification, and then a series of problems such as formal customs clearance, commodity inspection and secondary inspection will occur. This brings challenges to the consumer experience, SJ Mile provides cross-border e--comence platofrm with IOR ( Importer of Record) Services to solve it.