Louxing South Road, Louxing District. According to the Baidu map, there is a Loudi branch of COFCO Coca-Cola Huazhong Beverage Co., Ltd. in Louxing South Road, Louxing District, Loudi City, Hunan Province, which provides the business of leasing coke machine. Coke machine is a professional equipment for producing carbonated drinks (soft drinks). Tap water is filtered by a filter to become treated water, then pressurized by a carbonation pump 140- 170PSI, and atomized in a carbonation tank through a nozzle, which is mixed with carbon dioxide gas to generate carbonated water.