High gold content. Zhejiang Higher Mathematics (Calculus) Competition for College Students is sponsored by Zhejiang Higher Mathematics Education Research Association. The competition is open to all colleges and universities in Zhejiang Province, and the contestants are of high level, so the gold content of the competition is high. Zhejiang, referred to as "Zhejiang" for short, is a provincial administrative region of China people, and Hangzhou, the capital of the country, is located in the Yangtze River Delta.