You can start a Tang Yan milk company without joining, but you need to have an operating deposit of 20,000 yuan and a bottle deposit of 2,000 yuan, totaling 22,000 yuan. You can return it when it expires, including decoration. Tang Yan Milk belongs to Weifang Tian Tian Animal Husbandry Management Consulting Co., Ltd. Since its establishment in 2009, Tang Yan Milk has been committed to promoting the healthy and benign development of China dairy industry, and is the technical director, equipment supplier and brand of professional milk drinks.