Yunnan Royal Lysil Dairy Co., Ltd. is a dairy company controlled by a listed company of Royal Group (stock code 002329). The company is located at the foot of Cangshan Mountain in Dali, Yunnan, by Erhai Lake, with beautiful scenery and pleasant scenery. The natural alpine pastures and high-quality milk sources have given birth to the unique "China Famous Trademark" of "Lysil".

The company, formerly known as the food processing and storage laboratory of Dali Agricultural School, was formally established as Dali Lysil Dairy Co., Ltd. in September 1996, and in June 2011, it was introduced into Guangxi Royal Group through capital increase and share expansion, and reorganized into Yunnan Royal Lysil Dairy Co., Ltd. The company has 23 production lines with a daily production capacity of 470 tons. The company has been committed to the "high quality and good taste" of dairy products research and development, especially in yogurt and lactic acid bacteria application research, the company is the only domestic dairy enterprises above designated size that use independent screening of lactic acid bacteria to produce fermented milk, the company has the largest probiotic strain resource library in China and the first probiotic strain resource bank in China, and is also the only dairy enterprise in China with buffalo milk cheese production technology and industrial production capacity. As a national high-tech enterprise and a leading enterprise in agricultural industrialization in Yunnan Province, the company has been taking science and technology to lead the development, strengthen and expand the advantages, and focus on differentiated products as its business strategy.