... function of the chemical plating.A: Respiratory system----rhinitis, faucitis, catchcold,etc.; B: Neural system----neurasthenic, insomnia, migraine, etc.;C: Blood----leucopenia ... positive influence.Oxygen Concentration Testing: Technicalparameters:Voltage:220V/110VPower:370WPressureoutput:0.04MpaOxygenFlux:1-5L/minOxygenconcentration:≥90% Oxygen equipment oxygen Jet beauty machine (HB-Y72 ...