1. The main walnut producing areas in China are in Yunnan, Shaanxi, Shanxi, Sichuan, Hebei, Gansu, Xinjiang, Anhui and other provinces (regions). Sanguan Forest Area in Bozhou City, Anhui Province is known as the largest walnut forest farm in Asia.

2. Walnuts are widely distributed in China, including Heilongjiang, Liaoning, Tianjin, Beijing, Hebei, Shandong, Shanxi, Shaanxi, Ningxia, Qinghai, Gansu, Xinjiang, Henan, Anhui, Jiangsu, Hubei, Hunan, Guangxi, Sichuan, Guizhou, Yunnan and Tibet. Inner Mongolia, Zhejiang, Fujian and other provinces (regions) have introduced or cultivated a small amount.