On May 18, 2006 (Thursday), Trinh Quang Su, Mayor of Hai Phong, Vietnam, visited the Incheon Free Economic Zone Promotion Center. The visit was arranged to review the development status, major project plans, and investment environment centered on Songdo International City. Through the exhibition and project briefing at the promotion center, Mayor Trinh Quang Su examined the progress of building an international business, logistics, and advanced industry base, and the visit is expected to contribute to expanding exchanges with Hai Phong and strengthening the foundation for future investment cooperation.