Hello everyone 
We have proofread and revised Intro and HSK1 PDF. From now on, You could download all-in-one in the Google Drive
Once we finish HSK2, we will let you now ASAP.
Best regards
6 Likes
Hello everyone
We have proofread and revised IHSK2 PDF. From now on, You could download all-in-one in the Google Drive
1 Like