HSK

https://www.silkmandarin.cn/hsk-hanyu-shuiping-kaoshi.html

Hanyu Shuiping Kaoshi (HSK)
Hanyu Shuiping Kaoshi (HSK) is the standardised national test used to determine the fluency of non-native speakers of Chinese. HSK cn is the best way to get to know and test your Chinese level and is often, and increasingly, required by companies, universities or other organisations to certify the Chinese language level of an individual.