Haikou, the capital of Hainan province, has a well-developed transport infrastructure. The city is served by Haikou Meilan International Airport, offering flights to major cities in China and abroad. Railway connections include high-speed trains to mainland provinces. The main port of Haikou facilitates maritime freight transport. Major courier services like DHL, FedEx, and UPS operate in Haikou, with typical delivery times from abroad ranging from 3 to 7 days. It's important to be aware of specific customs regulations, as the import of certain goods may be restricted.