Core Viewpoint - Hainan Free Trade Port will officially start customs closure on December 18 this year, with plans to utilize existing open ports for efficient import and export processes [1] Group 1: Port Infrastructure and Operations - Hainan will operate 8 "first-line" ports for direct release of eligible imported goods and 10 "second-line" ports with innovative measures for smooth transit to the mainland [1] - Haikou Meilan International Airport has achieved interconnectivity of inspection facilities and information systems, enhancing efficiency and reducing customs clearance time by approximately 30% [2] - The newly upgraded Haikou South Port has expanded its capacity to handle 4 to 5 times more cargo than the old facility, facilitating significant throughput for goods between Hainan and the mainland [2][3] Group 2: Passenger and Cargo Handling - The new South Port station has doubled the passenger handling capacity, with 16 flights currently operational, including both passenger and cargo trains [3] - Wenchang Qinglan Port, as the only waterway "second-line" port in eastern Hainan, features advanced systems for automatic vehicle identification and entry, ensuring efficient cargo management [3] Group 3: Customs Regulations and Management - The announcement from Hainan's port office states that 10 "second-line" ports will initiate customs inspection functions, with specific regulations for goods and transportation vehicles entering and exiting the Free Trade Port [4] - Customs supervision will be enforced for goods passing through "second-line" ports, while other goods will follow existing domestic circulation regulations [4] Group 4: Operational Synchronization - The operating hours for "second-line" ports will align with those of the ports and airports, ensuring seamless logistics and transportation [5]