2012 International Conference on Maritime Technology (ICMT 2012) was held at Harbin Engineering University from June 25th to 28th, 2012. More than 120 delegates from 14 countries and regions, including China, the United States, Russia, the United Kingdom, Spain, Lithuania, the Netherlands, Norway, Sweden, Greece, France, Japan, the Republic of Korea and Malaysia, attended the meeting. The content of the conference mainly covers the recent hot research fields such as technologies for green ships, naval architecture, marine engineering systems, offshore engineering and marine environment & marine renewables.