2. Book also roasted fairy grass belongs to Sichuan book also catering management limited company, headquartered in Chengdu, one of the economic centers of the southwest region, expanding to the national beverage market. The brand has a lot of drinks, of which there are 2 signboards, respectively, Yang Zhi Ganluo Roasted Immortal Grass, small taro round Roasted Immortal Grass, cheap, very good, there are a lot of people to buy.