•Doctor of Medicine
•Mainly studied the clinical application of quill line in recent years
•The first 5 quill line operations were performed  in mainland China
•Operated on 1000+ cases with quill line over the past few years
•Published 4 monographs on thread rejuvenation, 3 patents for buried needle and designs
•Invented the Zhang’s THREAD TECHNIQUE with the core of the Reposition (resetting)of folded fibrous tissue