Gallery Chinese Ambassador to Mongolia Chai Wenrui (L) delivers samples of COVID-19 vaccines donated by China to Mongolian Deputy Prime Minister By DM NEWS - February 24, 2021 Ulan Bator: Chinese Ambassador to Mongolia Chai Wenrui (L) delivers samples of COVID-19 vaccines donated by China to Mongolian Deputy Prime Minister Sainbuyan Amarsaikhan, here on Tuesday. –Agencies