In what year did Li Jiaqi Live Studio begin to endorse the milk of Maiquer Group?

Xinjiang Maiquer Group Co., Ltd. is a large-scale high-tech modern food processing enterprise in the autonomous region, located in Maiquer Industrial Avenue, changji city High-tech Development Zone, Changji Hui Autonomous Prefecture, covering an area of 99,000 square meters. Over the years, with the great care of the Party committee and people's government of the autonomous region, the company has developed rapidly. The main business of Maiquer Group Co., Ltd. is the production and sales of dairy products and the chain operation of baked goods. Among them, dairy products mainly include more than 20 kinds of products in three series: sterilized milk, improved milk and milk-containing drinks.