As a subsidiary of CHTC,Huaying has more than ten year’s experience in developing and manufacturing, and also has many experts including Germany, Japan, Ta…

As a subsidiary of CHTC, Huaying has more than ten year's experience in developing and manufacturing, and also has many experts including Germany, Japan, Ta…

[1] Da Costa, Sandra, et al. "Tuning in to sound: frequency-selective attentional filter in human primary auditory cortex." The Journal of Neurosc…