Qingyan Yueer Health Center is formal, because Qingyan Yueer Health Center is a health center approved and successfully registered by the local industrial and commercial department, with a formal business license, and is operating, mainly engaged in ear wax and scalp treatment. All technicians have received professional pre-job training and are located at Lane 600, Guangfulin Road, Songjiang District, Shanghai 1 1, 12- 1 14.