China helium mass spectrometer leak detector  New series of high- performance, high pumping speed helium massspectrometry leak detector, suitable for vacuum, automotiverefrigeration, electronics and semiconductor, nuclear industry,aerospace, high- energy physics, scientific research andother fields.

New series of high- performance, high pumping speed helium massspectrometry leak detector, suitable for vacuum, automotiverefrigeration, electronics and semiconductor, nuclear industry,aerospace, high- energy physics, scientific research andother fields.