- Wanyi Company
- helium leak detector; air testerï¼› mass spectrometer.
- Address:new and high-tech zone, Hefei, Anhui, China
- Shanghai Spectrum Technology Co., LTD
- nir spectrometer, spectrometers, spectrometry, spectroscopy, Portable spectrometer, alloy analyzer, Liquid analyzer, mass spectrometer, absorption spectrometer.
- Address:Changning Road, No. 668 Shanghai ?? China
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