Before declaring a character that isn't yours a Mary Sue, or if you get people declaring your Mary Sue character for questionable reasons (eg, the character is simply a powerful female)...
Nansha District, is a district of Guangzhou, China. Port of Guangzhou is located within the southern portion of the new area. The Nansha Technology Development Zone was carved out of Panyu District in 1993. In 2005 it was named Nansha District.
Today, Nantong is one of many fast-growing coastal cities in China. With the opening of Sutong Bridge in April 2008 and Chonghai Bridge in 2009, the city has been listed as the number one city in the Yangtze River Delta Economic Zone for foreign investment, surpassing its rivals Suzhou, Hangzhou and Nanjing.