Sun Guoyan, a speech pathologist affiliated with Dongin Hospital in Nanjing, China, underwent a short-term training at the Yeson Voice Center to establish the Yeson Voice Center Dongin in Nanjing, China.
During her training at the Yeson Voice Center, Sun Guoyan gained knowledge in various objective and specialized assessments of patients' vocal conditions, which are only possible in a specialized voice hospital. This included auditory psychometric testing, vocal aerodynamics testing, acoustic voice analysis, vocal range testing, high-speed vocal fold filming, nasal resonance testing, and vocal pattern screening.
Sun Guoyan, a speech pathologist, stated, "Receiving training at the Yeson Voice Center in Korea gave me a broader perspective and was a time for growth as a speech pathologist. I am also dedicated to promoting the vision and values of Yeson as we work on establishing the joint center in China."