"Service capability" is an important part of testing a company's "professionalism" and "mobility". Especially in the foreign trade industry, when it comes to cross-border cooperation, service is particularly important. "Documentary" is a word often mentioned in the foreign trade industry. In fact, documentary is simply to serve as a bridge between customers, production and logistics, and to coordinate and manage the information between the two in a timely manner. But in actual operation, this process is not simple at all.