Mid-Autumn Festival from September 18 until September 21 and get back to duty on September 22.
Taiwan Expo in Vietnam 2021/7/21~7/23, Taiwan Expo in Malaysia 2021/8/4~8/6, Taiwan Expo in Indonesia 2021/11/24~11/6
Chinese New Year from Feb 10 until Feb 16 and get back to duty on Feb 17.