Helium Krypton Xenon Gas Regulators and Pipe manufacturer / supplier in China, offering High Purity 99.999 Helium Gas for Magnetic Resonance Imaging with 40L Cylinder, High Purity 99.999 Helium Gas for Magnetic Resonance Imaging with 50L Cylinder, High Purity 99.999 Helium He Gas for Nuclear Magnetic Resonance Imaging and so on.