X90 mung bean wine. According to Yibin local treasure, Yibin mung bean wine is light yellow, called X90 mung bean wine, which is a new brand of Yibin Wuliangye. X90 mung bean wine is made of mung bean as the main raw material, using Wuliangye's unique brewing technology, and through microbial fermentation, Chen Fang and other processes, it is made into a high-quality wine with mellow taste, rich aroma and refreshing taste.