East China is located in the east of China, including Shandong, Jiangsu, Anhui, Shanghai, Zhejiang, Jiangxi, Fujian and Taiwan Province provinces, Diaoyu Island and its affiliated islands, including chiwei yu, Huangweiyu, South Island, North Island and some islands and reefs. The total area is 834,300 square kilometers, accounting for 8.7% of the national area, of which Jiangxi Province is the largest and Shanghai the smallest.

East China is the economic zone with the highest comprehensive technical level in China, with superior natural environment conditions, rich natural resources, developed commodity production and complete industrial categories. Light industry, machinery and electronics industries are dominant in this country. Railway, water transport, highway and shipping extend in all directions, and it is the most economically and culturally developed area in China.

Hefei location:

Hefei is located in the east of China, at the western end of the Yangtze River Delta, between Jianghuai and Anhui, in the middle of Anhui Province, bordering Lu 'an in the west, Huainan in the north, Chuzhou in the northeast, Maanshan and Wuhu in the southeast, and Anqing and Tongling in the southwest. The total area of the city is 1 1445 square kilometers, which is at 30 57'-32 32' north latitude and1/6 41'-kloc-0//east longitude.