Located in the central parts of the Hanzhong Basin,Shaanxi,Chengggu County is the hometown of Zhang Qian, a famous diplomatlc,activist and the poineer of the Silk Road in the West Han dynasty. It covers an area of 2,265 sq.km with rich natural resources. The climate here is temperate and adundant whith rainfall, being either severe cold in winter or extremely hot in summer.
