It all depends on what route you go, if you walk and fine high-end route, first of all: meaning Dali AnFuShi (professional, focused decades) and other German what slip, Japan morita what, too much, but they are not professional for dental chair.Sino dental chair, the quality is good they had no problems up to now, our department for spent eight years in the hospital said when replacement is not bad, but also useful, doctor sit chair is we used several kinds of the most useful in the dental chair, there is a ceramic instrument plate moving car, very convenient cleaning and corrosion.