... 6 years, with reasonsable price warranty: 2 years Dental chair LC500 Fiber optic handpiece 1 set 4 hole high speed ... marketing for all kinds of dental products especially for Dental Chair Unit. The company is taking concentration, development and creation” ... our overseas customers, we can supply many kinds of Dental Chair Unit, Ultrasonic Scaler, Ultrasonic Cleaner, Air compressor, Dental Cbinet, ...