Ma Mingrui, a student from Ulink College of Suzhou Industrial Park, won the first place with full marks out of the 1,320 global participants in the Avogadro Exam, an annual international chemistry competition held on May 18 this year.

Sponsored by the University of Waterloo, Canada, the Avogadro Exam has been held for 30 consecutive years. Thousands of students from all over the world participate in the competition in the month of May each year, and the top 20% of scorers are certified.