... The largest manufacture in China More than 20 years Experience QL-500 Hydrogen GeneratorWe use SPE/PEM technology to electrolyze pure ... .SpecificationsQL-500Output Volume(ml/min)0~510Output Pressure(Mpa)0.02~0.4MpaHydrogen Purity(%)>99.999Input Power(W) <200Contour Dimension( ... surface protection, spacecraft, submarine, heavy hydrogen, heavy oxygen water, etc. QL-500 Hydrogen Generator, CE Certificate