Bright Dairy & Food Co.Ltd(600597) said that on April 2, the antigen test results of two employees in the fourth factory of Bright Dairy & Food Co.Ltd(600597) dairy products were abnormal. In view of this situation, Bright Dairy & Food Co.Ltd(600597) has isolated the employees as required, managed the whole factory in a closed manner and carried out comprehensive killing work. The fourth dairy factory stopped production on March 31 due to cooperation with sealing control management. All products in the factory have been sealed up, and no products have gone to the market. At present, all Bright Dairy & Food Co.Ltd(600597) products on sale in the market are produced by other factories, and there is no product safety problem.