Bright Dairy 202 1 The reason for the increase in operating income is low-temperature pasteurized milk. According to the relevant public information, the logic of Bright Dairy is that with reference to the United States, Japan and other countries, it is optimistic that pasteurized milk can become the mainstream of mass dairy consumption and greatly increase its share. Therefore, the reason for the increase of operating income of Bright Dairy 202 1 is low-temperature pasteurized milk.