Niulanshan Erguotou (hereinafter referred to as Niuer) is very popular in Beijing. The two brands occupy most of the market of Erguotou wine, and their status is no less than Pepsi and Coca-Cola. What is Erguotou? Pinch the head and remove the tail, cut off the middle section, and only take the second pot. This is the process by which Erguotou is brewed. Erguotou is a kind of fen-flavor liquor which originated in northern China. /kloc-in 0/680, three craftsmen of the former Shenghao Hotel in Qianmen Street, Beijing invented the brewing technology of Erguotou wine.