1.stabel qulity,special design,competive price 2.all controlled by solenoid valves 3.New design,ISO9001 dental surgical instr dental supply/high qulity dental unit/dental chair equipment/DYM medical DYM-101 Dental unit STANDARD EQUIPMENT: High speed air turbine handpiece connector 2 setsLow speed air turbine handpiece connector 1 setThree way syringe(warm.cold each)1 set eachWater heating system ...