Oriental fax of grapes, recorded in the history books are grapes brought back by General Li Guangli of the Second Division.
At that time, many countries in the western regions had the custom of making wine. According to the literature records and the analysis of unearthed cultural relics, Yu Kun and Niya have the best brewing technology, and even can brew a variety of wines with different tastes.
Wine has always been a tribute from the Western Regions to the Central Plains. By the middle of the Tang Dynasty, it had been more than 700 years since Li Guangli brought back grape seeds, but wine still depended on the tribute from the western regions.
This is not only because the grape planting area in the Central Plains is small, but also because wine-making technology is a secret kept by western countries.
Extended data:
With the gradual stability of the situation in the western regions and the increasing frequency of business exchanges, the Silk Road was formed in the late Western Han Dynasty. This is also one of the most important trade routes in world history.
In the Han dynasty, envoys went to rest, elections, articles, poisons and other countries, ranging from a dozen batches to as few as five or six batches a year. It took at least two or three years, or even 89 years, to return to Chang 'an.
China's products shipped to the west are mainly silk, iron and lacquerware; Good horses, camels, spices, grapes, pomegranates, alfalfa, flax, cucumbers, cowpeas and walnuts have also entered China continuously.
Baidu Encyclopedia-Han Dynasty