one year. According to the information of Donggu Yipin Fresh, the shelf life of this brand of soy sauce is one year, and Donggu Yipin Fresh Soy Sauce will be treated at high temperature in the production process, which will also affect its shelf life. Therefore, in order to ensure food safety and quality, Donggu Yipin Fresh Soy Sauce should be kept in a cool and ventilated place and used as much as possible within one year.