Qianxi, located in the northeast of Hebei Province (39 degrees 57'-40 degrees 27', 118 degrees 06'-118 degrees 37') is the National Garden County town of China, with the title of "Township of Chinese Chestnut".
Qianxi Castanea mollissima has a long history, beautiful appearance and even fruit shape, with an average of 120-140 chestnuts per kilogram and 80 larger particles per kilogram; its color is reddish brown, bright and lustrous, and its skin is thin, which is harder and stronger than that of other areas; its kernels are beige, easy to peel and non-sticky endothelium; after scientific determination, Qianxi chestnut Kernel contains 52% water, 4% protein, 38% carbohydrate, 2% dietary fiber, 40 mg/kg vitamin E, 150 mg/kg calcium, 4.5 mg/kg iron, and more than 230 mg/kg vitamin C2. It also contains rich carotene and various trace elements, amino acids and unsaturated fatty acids beneficial to human body. It has high blood pressure. Diseases such as hypertension, coronary heart disease and atherosclerosis have better preventive and therapeutic effects.
There are many kinds and varieties of chestnut in Qianxi County, with high yield and good quality. In 2008, "Qianxi Chestnut" was recognized as a well-known trademark by the Trademark Bureau of the State Administration for Industry and Commerce of China, and became the first well-known geographical indication trademark in Chinese chestnut industry.