Xiamen Tongan is the largest administrative region located in the southeast coast of Fujian Province, the highest buildings (doors) Zhangzhou (state) spring (state) "Golden Triangle" the heart of the north, Anxi, Nam border, west Chang-tai, the East Even Xiang'an District to the south across the lake area in Tongan Bay and across the southwest and the Jimei District, adjacent to location advantages are clear. Within the complex and diverse topography, terrain northwest, southeast low, there are mountains, hills, plains and islands, of which mountainous area of 422 square kilometers, 13.99 million mu of cultivated land, 12 million mu of shallow beach, shoreline twists and turns, up to 11 km.