No. Huang Hanyuan is the chief physician of the Breast Surgery Department of Peking Union Medical College Hospital. Huang Hanyuan and Sun Qiang are both directors of the Breast Surgery Department of Peking Union Medical College Hospital. However, there is no information showing that the relationship between the two is master and apprentice. Huang Hanyuan is not Sun Qiang's master. Sun Qiang has been engaged in the diagnosis, treatment and research of breast diseases since he started working in 1988. He is currently the chief physician and director of breast surgery at Peking Union Medical College Hospital.