High gold content. The China Cup started at 1986. It is a national large-scale juvenile mathematics competition in memory of Professor Hua, an outstanding mathematician in China. As the largest, most formal and most difficult competition in the primary school stage in China; China Cup is sponsored by China Youth Daily (now China Children's News Center), which has been strongly supported and recognized by the education department of China. Its regularity and fairness provide a platform for contestants to show their talents. Huajin Cup has a high gold content, which reflects its prominent position in domestic and international mathematics competitions from the aspects of history, difficulty, authority, certificate value and talent selection.