Taiyuan, not known as the state, is called Jinyang, also known as the "dragon city". Taiyuan is the capital of Shanxi province. It is on the verge of the Fenhe River and is surrounded by mountains on three sides. It is an ancient capital with the history of more than 2500 years. The historical ancient city of "controlling the mountain and river, lying on the shoulder of the world", "the key of the four stoppers and the five original capital", is the capital of the capital of the provincial capital, the political, the economy and the culture of Shanxi province. Taiyuan is a famous military and cultural town in the north of China. It is also the world famous capital of Shanxi merchants. It is also one of the most important sources of energy and heavy industrial base in China.