Danyang city-local product and specialty Danyang sealed wine Danyang sealed wine has been famous in history. According to records, Emperor Xiaowen of the Northern Wei Dynasty bid farewell to General Liu Zao before the southern expedition, and entertained the people with "the wine of Qua" when they met in victory. Qu 'a is now Danyang, so Danyang Fenggang wine was called Qu 'a wine in ancient times. Danyang yellow rice wine Danyang yellow rice wine is a kind of rice wine, which has a long history and can be compared with Zhejiang Shao wine. For thousands of years, Danyang yellow rice wine has enjoyed a good reputation. It has bright and clear color, mellow aroma, sweet and refreshing taste, endless aftertaste, and moderate alcohol content. It is an excellent nourishing drink, and its nutritional value is unmatched by similar wines. Danyang Glasses and Glasses Industry is a traditional industry in Danyang, which is known as the "hometown of glasses in China". In 1985, the Ministry of Youth Industry held the first member congress of China Glasses Association in Zhenjiang (which is affiliated to Danyang) and established the "China Glasses Association". The first national optical research institute was born in Danyang, and the first provincial and ministerial optical product quality inspection and supervision station was built in Danyang.