Xinhua News Agency, June 16, according to the official account of Wechat of Hainan Free Trade Port, the mobilization meeting of the special action of "stress test of customs closure operation to overcome difficulties" was held in Haikou on 15 June. The meeting pointed out that we should strengthen the design of policies and systems, pay attention to maintaining the convenience of contact with the mainland, build "second-line ports" with high standards, create an integrated customs clearance management system with multi-party linkage, coordination and efficiency, and take special actions as an opportunity to accurately and effectively crack down on the illegal smuggling of tax-free "set-up purchasing agents" on outlying islands.