Comfortable patient chair with chair interlock system
Water -air -electricity with one on/off switch control
Rotary side box
Easy to move,more space for the assistance,make the assistant operation easier.
Rotary handpiece holder
Rotary handpiece holder can provide convient angle for operation and avoid direct contact between dentist and handpiece.
LED Sensor light with yellow and white light mix
Rotary glass cuspidor 
Built out and detachable suction filter
Additional children headrest