In November 2005, Yili successfully passed international toughest inspection, winning the first China’s food brand to sponsor Olympics, and also the only one to supply milk products for Olympic, which is the top honor in China's diary industry. In 2009, Yili cooperates with World Expo, providing diary products for Shanghai Wolrd Expo in year 2010. Therefore, Yili becomes the only Chinese enterprise who is in accordance with the standard of Olympic and World Expo, and provides dairy products for them.

So far, Yili Group owns the biggest high-quality dairy resource base, is the only one in the dairy field who controls the three golden diary resource base, including Duerbote of Heilongjiang, Tianshan of Xinjiang and Hulun buir of Inner Mongolia, which makes further assurance for the supply of high-quality raw milk.

To strictly monitor the production process, Yili took the lead in creating the all-process, all-directional, and all-staff 'Three-A' quality management system. Meanwhile, Yili also took the lead in the production process to use the international advanced technology of UHT and aseptic filling, to ensure the products safe and healthy.

At the same time, Yili has been promoting the quality standard through technology innovation. At present, Yili owns the only dairy research center and the only information platform for dairy patents in China, which researches and develops hundreds of new breeds every year.