Tags Hải Phòng Economic Zones Management Board Bold new 20,000-ha-economic zone in Hải Phòng applies for central approval Wednesday, Jun 05, 2024 The project, a 20,000-ha-coastal-economic zone in southern Hải Phòng City, is seeking approval from the central level, Lê Trung Kiên, Head of the Hải Phòng Economic Zones Management Board said on Tuesday.