A cross-border e-commerce practitioner is preparing to expand his business to the Southeast Asian market. He needs to register an import and export trading company in the Hainan Free Trade Port and handle the relevant cross-border e-commerce qualifications. Due to the involvement of cross-border business, which involves complex policies and cumbersome procedures, he entrusted an agency with rich experience in handling free trade port business. The agency formed a professional team and, after conducting in-depth research on the business model of the enterprise, formulated a detailed registration plan for it. When registering a company, make full use of the policies of the Hainan Free Trade Port such as "zero tariffs" and trade facilitation to quickly complete the industrial and commercial registration. At the same time, we provide one-stop assistance for enterprises to handle qualifications and procedures such as the filing of customs import and export consignors and consignees, the filing of cross-border e-commerce enterprises, and the opening of foreign exchange settlement accounts. Through efficient communication and coordination with various departments, the process that was originally expected to take one month to complete was accomplished in just 10 working days. The enterprise successfully launched cross-border e-commerce business. By leveraging the advantages of the free trade port, it achieved considerable sales in the first quarter and opened up a new situation in the Southeast Asian market.