Our production base is located along the southern slope of Qinling Mountain in Xinmiao Village, Qingshang Town, Shangnan County, Shangluo District, Shaanxi Province. The altitude is between 400 and 2000 meters. This area is on the border of Henan, Hubei and Shaanxi provinces, far away from pollution of modern industrial cities. All these guarantee our wild collected products are grown in natural and pollution-free ecological environment.