Since its establishment in 1999, CNDE has been held on a yearly basis, and throughout 20 years of fast development stimulated by meticulous cultivation, its exhibiting area has been expanded from 1,500 m2 to 30,000 m2. It has now developed into one of the four major professional exhibitions in dental industry of China (next to the exhibitions held in Beijing, Shanghai and Guangzhou). In, it became one of the most excellent exhibitions awarded by Liaoning Provincial Service Committee. In, it became one of the provincial-level and municipal-level good-quality exhibitions of awarded by Liaoning Provincial Convention & Exhibition Industries Association, and Shenyang Municipal Convention & Exhibition Industries Association.