Core Insights - The implementation of smart supervision at Hainan Railway's "second-line port" has successfully reduced customs clearance time by 70% [1][2] - The first batch of customs-controlled goods passed through the Haikou cargo inspection area, marking a significant milestone for Hainan Free Trade Port's operational capabilities post-closure [2] Group 1: Customs Clearance Efficiency - The "second-line port" policy in Hainan Free Trade Port aims to balance strict control with fast clearance, emphasizing the importance of efficient smart supervision and optimized inspection processes [1] - The successful completion of the first customs inspection task demonstrates the effectiveness of the railway's customs clearance capabilities after the port's closure [2] Group 2: Operational Improvements - Hainan Railway's Haikou Transportation Section organized extensive training and joint drills with multiple government departments to ensure smooth operations, achieving a 70% reduction in clearance time compared to initial estimates [2] - The railway aims to continue enhancing smart supervision processes and overcoming technical challenges to support the efficient development of Hainan Free Trade Port [2]