Our company has over 18 years working experience in the glass
vacuum gauge.Through exploration and carefully study,our company
enhances the quality of overall product stability,accuracy and
anti-jamming capability has been greatly improved. Utilizing our powerful manufacturing technology of electronic
vacuum glass,we only produce the glass vacuum gauge. The envelope of the vacuum gauge are DM-308 or DM-305 electronic
vacuum glass and available for measurement system of vacuum degree. We have the advanced vacuum standard metering device.