Dongguan has about 1 million 200 thousand people, overseas Chinese, about 300 thousand people, is a famous overseas Chinese hometown, there is the city of music, science and Technology City, the city of museums, the National Forest City, and so on. In February 2015, Dongguan once again won the title of 'national civilized city'. April 2015, ICLEI World Congress held in Seoul, South Korea, the world's more than 200 City representatives to listen to the voice of Dongguan'.