The third annual meeting between the International Seabed Authority (ISA) Secretariat and the contractors with deep-sea exploration contracts in the international deep-seabed (the Area) concluded in Changsa, China on Sunday.Delegates gathered at the three-day meeting hosted by China Minmetals from October 11-13 to discuss areas of common interest, and the next steps in moving from exploration to the sustainable development of deep-sea mineral resources.In his remarks at the opening ceremony, ISA Secretary-General Michael W. Lodge highlighted the need to advance the development of regulations for deep-sea mineral exploitation (the Mining code).