Helium, Xenon, Argon manufacturer / supplier in China, offering Working Pressure 15/20MPa Liquid Helium with Volume 250L/350L/500L/750L, 150bar Liquid Helium for Medical Use with Volume 250L/350L/500L/750L, Reliable High Purity 99.999 Liquid Helium Gas for MRI Stored Dewar Flasks and so on.