The milk endorsed by Zhang Wei is Yili Jin Dian organic pure milk. Yili Dairy Jin Dian organic pure milk is limited to the exclusive organic pasture produced in the milk capital "Hohhot", which is located in the globally recognized golden milk source belt, and buffer zones are distributed around the pasture to ensure that the pasture is far from pollution; After three years of purification, the soil is natural and fertile, and the deep groundwater below 300 meters is extracted from the water source, which meets the drinking standard of human body, and the air above 1000 meters is fresh and clean. The unique geographical location and climatic conditions are suitable for the healthy growth of Holstein cows, thus creating excellent raw milk quality, and its quality has also obtained the authoritative certification of the national quality inspection department.