Hanyu Shuiping Kaoshi

HSK is an international standardized test for Chinese language proficiency established to test the Chinese proficiency of non-native Chinese speakers (including foreigners , overseas Chinese , ethnic Chinese and Chinese minority candidates). 

Level 6 is the highest level of the New Chinese Proficiency Test HSK. Candidates who pass HSK Level 6 can easily understand the Chinese information they hear or read, and express their opinions fluently in Chinese in oral or written form. 

HSK Learning Online