Skim milk has brands such as Yili, Bright Dairy, Sanyuan, Mengniu and Wandashan. 1, Yili: Yili Group consists of five business divisions: liquid milk, cold drink, milk powder, raw milk and yogurt. More than 600 varieties of 39 products with halal characteristics, such as "Yili" brand ice cream, milk powder, milk tea powder and sterile milk, have passed the green food certification of the National Green Food Development Center. 2. Bright Dairy: Founded in 1996, Bright Dairy Co., Ltd. is a listed joint-stock company with diversified property rights consisting of state-owned assets and social public capital. Engaged in the development, production and sales of milk and dairy products. Sanyuan: Beijing Sanyuan Food Co., Ltd. is a Sino-foreign joint-stock enterprise, mainly engaged in dairy industry, and also operates McDonald's fast food. Its enterprises take the concept of "quality is the foundation of the market, honesty is the foundation", and it is their responsibility to continuously meet the needs of consumers, and they are enthusiastic about public welfare undertakings. 4. Mengniu: Mengniu Milk is a product of Inner Mongolia Mengniu Dairy Co., Ltd. As the first high-end sub-brand of Mengniu liquid milk, it has been committed to building the "best milk" in China since its listing. 5. Wandashan: Wandashan Milk Station is equipped with simple testing equipment, and has always adhered to "daily sampling, daily testing and daily testing" for raw milk. The density, acidity, temperature, alkali test and alcohol positive milk of raw milk were detected at the milk station. The fat content of whole milk is about 3%, the low-fat milk (semi-skimmed milk) contains 1.0 ~ 1.5%, and the whole skimmed milk contains less than 0.5%. For modern people, people not only rely on milk to supply energy, but often pay more attention to the high-quality protein contained in milk, so they prefer low-fat milk with less fat to become skim milk. In recent years, all kinds of low-fat and skimmed dairy products have been put on the shelves of shopping malls and supermarkets, and become a healthy drink that people generally choose in their daily lives.