Shanghai Huaei Chromatography Analysis Technology Co., Ltd. ee Shanghai City High-tech Enterprise, National Gas Standardization Technical Committee Member, National Gas Standardization Test Research and Verification - Chromatography Platform, National Semiconductor Equipment and Material Standardization Technical Committee Gas Sub-Technical Committee Member, China Industrial Gas Association Board Unit, China Industrial Gas Association Gas Analysis Technology and Instrument Equipment Professional Committee Deputy Director Member Unit, the company is dedicated to research and development and production of dedicated chromatographs in two major areas of industrial gas and power systems, for the domestic renowned dedicated chromatography manufacturers.

GC-9560Gas Chromatographer for Food Additives NitrogenShanghai Huai Chromatography Analysis Technology Co., Ltd. ye gas chromatograph ye looi në kë de GB 29202-2012 "Food Additives Nitrogen" në O2, CO, CO2 test requirements, detection limit CO≤0.1ppm, CO2≤0.1ppm, O2≤0.01%.

GB 29202-2012 "National Standard for Food Safety Food Additives Nitrogen" acï bɛ̈n looi në 25 Pɛnëdhetem 2012, ku jɔl ya 25 Janvier 2013.

Aŋuɛ̈ɛ̈r kënë ee luɔɔi në nitrogen ye cɔl deep cold air separation, nitrogen ye cɔl transformer adsorption ku nitrogen ye cɔl membrane separation, ku nitrogen ye cɔl food additives ye cɔl nitrogen making machines.