... device.2, Adopted high quality vacuum-perlite, and tested by mass-spectrometric leak detector ensures long term vacuum performance.3,Imported ... procedure designing, 5,we can manufacture horizontal and vertical standardized liquid gas storage tank, also can design and manufacture the non ... .50 M350 M3LO2, LN2, LAr7.100 M3100 M3LO2, LN2, LAr liquid oxygen/argon/nitrogen storage tank