20 16 may 12. According to the information of Enshi APP on the query cloud, on May 16 and 12, 2065, the anniversary celebration of China's scientific selenium supplement and healthy living promotion activities, the promotion meeting of the third world selenium capital Enshi selenium products Expo and the life fire collection ceremony of Selenium Friends Culture Festival were held in Shuanghe Yutangba Selenium Mine, Xintang Township, Enshi City.