Xia (C. 21th―16th century B.C) were first Dynasty as slavery country in China. Shang and Zhou were continued another two countries then slavery ended. In 221 BC, the first Emperor of China, Qin Shihuang established first feudal country- Qin, started feudal dynasty control system in China. The feudal society continued more than 2000 years in China, ended at 1911 instated by Democracy, until the People’s Republic of China founded on 1949. China had a population approx 1.2 billion more than any other country in the world. China is a united, multi-ethnic country of 56 ethnic groups, the Han people account for 91.02% of the total population and the rest people are minority ethnic groups. China is situated in the eastern part of Asia, on the west coast of the Pacific Ocean. It has a total land area of 9.6 million square kilometers. China's coast is 32,000 kilometers.