1 Hainan Announces Full-Scale Trial of Special Customs Operations. SPECIAL CUSTOMS OPERATIONS 2. 10 "Second-Line Ports" Launch Joint Drills as Hainan Begins the 30-Day Countdown to Its Island-Wide Special Customs Operations JOINT DRILLS OF SECOND LINE PORTS 3. Hainan presents the Free Trade Port’s opportunities to China's media outlets. HAINAN FTP PROMOTION