National gift master tea. National gift tea refers to a gift tea given to another country as a national gift on behalf of one country due to diplomatic affairs or friendly relations. It is usually received by the head of state of the recipient country on behalf of that country. National gift tea is a tea gift for diplomatic relations between two or more countries, unlike tribute tea, which is paid tribute to the central government by the local government of the country. Tianyi Ancient Tea is one of the top ten famous teas at the China World Expo, a special tea for the United Nations Pavilion at the 2010 Shanghai World Expo, and a well-known Chinese trademark of Wuyishan Dahongpao. Tianyi Ancient Tea is the main brand of Wuyishan Ancient Tea Ceremony Tea Industry Co., Ltd.