Bos blue orange liqueur is a kind of sweet wine with special taste, and it is also the most popular product in Bos sweet wine series. Mixed with a variety of herbs, sweet orange, the most special is the bitter blueberry with strong aroma but bitter taste in Cura? ao. When you use it as wine, you can feel the taste of fresh citrus. Its shelf life is ten years, but like red wine, this wine can be preserved for a long time, but it should be kept at a constant temperature.