• Static gas composition mass spectrometer                                    +

• Noble gas isotope mass spectrometer                                +

• Stable isotope mass spectrometers                                         +

• He isotope mass spectrometers                                           +

• Thermionic mass spectrometers and accessories, consumables                         +

• Sample introduction devices such as lasers, high-temperature furnaces, and vacuum crushers       +

• Gas isotope mass spectrometry gas purification and extraction system         +

• Gas and liquid injection devices                                   +