According to the official account data of Yili WeChat, every 100 ml of Yili pure milk contains 100 mg of calcium. So a box of Yili pure milk (250 ml) contains 250 mg of calcium. Yili pure milk is a product of Yili brand, which is produced from the large-scale and intensive milk source in the 45℃ golden milk source belt in the north and south latitudes, and the supply ratio ranks first in the same industry in China. Yili regards quality as life, strictly implements quality management standards in line with international standards, and focuses on the control system of "the best quality in the world". In addition, Yili is also at the forefront of the industry in product research and development. Its pioneering three-level R&D system and seven global innovation centers ranked second in the world dairy industry in 20021.