What foods are not imported into China from abroad?

1. The origin of Zanthoxylum bungeanum is China. Zanthoxylum bungeanum is distributed from northeast to south, south to the northern slope of Wuling, southeast to the coastal areas of Jiangsu and Zhejiang, and southwest to southeastern Tibet. Not produced in Taiwan Province, Hainan and Guangdong.

2. The origin of rice is the Yangtze River valley in China. 1973, about 7000 years ago, a large number of rice remains were first discovered in Hemudu cultural site in the lower reaches of the Yangtze River in Yuyao County, Zhejiang Province, which proved that there was agricultural production and rice cultivation at that time.