During March , 2014. Chenwei is invited to a well-known hospital in Shansong  to make a  trainning class for Main doctors and nurses of this hospitals, about   the clinical usage of ventilator CWH-3010A. These participants are from Critical-care medicine, Intensive medicine, respiratory medicine, the emergency department and other important departments, about 30 staff  in total.

During the trainning class , the listeners and the training teacher got good interpaly, they talked about the commom problems occuered in the daily usage of ventilators to acquire the right way to deal with. It results  in a good communication and fine atmosphere.