High gold content. Qiqi's ballet grading examination is certified by the Social Art Level Examination Center of the China Institute of Art and Science of the Ministry of Culture and issues the "Chinese Social Arts Level" grading certificate. It is authoritative and highly recognized by the industry, so it has high gold content. The value of a certificate can be judged based on whether the certificate evaluation and issuing organization has sufficient authority; whether the certificate is universal across the country, is anti-counterfeiting, can be checked, and is widely recognized by society.