Shanghai Huaai Chromatography Analysis Technology Co., Ltd. is a member of the Gas Standardization Technical Committee, a member of the Gas Standardization Test Research and Verification Chromatography Platform, a member of the Gas Sub Technical Committee of the Semiconductor Equipment and Materials Standardization Technical Committee, a member of the China Industrial Gas Association, and the Vice Chairman of the Gas Analysis Technology and Instrument Equipment Professional Committee of the China Industrial Gas Association. The company is committed to the research and production of specialized chromatographs for industrial gases and power systems, and is a well-known specialized chromatography manufacturer in China. Since its establishment in 2004, Huaai Chromatography has participated in the drafting and revision of nearly 100 National Standards and 1 State Grid Enterprise Standard. As of September 2020, 51 of them have been officially promulgated and implemented; In the field of gas chromatography production and application, Huaai Chromatography has dozens of technologies and has undertaken multiple national and Shanghai technology projects such as the National Innovation Fund, Key New Product Plan, Torch Plan, and Achievement Transformation. Located in the production workshop by the Huangpu River, it has a sound management system and advanced production environment. In 2008, it passed the ISO9001 international quality management system certification; We have three major series: GC-9560 laboratory gas chromatograph, HA-9660 online gas chromatograph, and GC-9760 portable gas chromatograph, with more than 20 products. We can be equipped with various detectors such as FID, TCD, FPD, PDD, PED, ZrO2, etc. Hua Ai chromatography is a chromatographic equipment used for detecting trace impurities in high-purity gases and gases used in the electronic industry. It has been widely used in internationally renowned enterprises such as Air Liquide, Linde Group, and Air Products; Scientific research institutions such as Guangming Research and Design Institute of Chemical Industry, Liming Research and Design Institute of Chemical Industry, China Institute of Metrology, Chinese Academy of Electrical Sciences, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Institute of Physical and Chemical Technology, Chinese Academy of Sciences; Yingde Gas, Suzhou Jinhong, Fujian Jiuce, Nanda Optoelectronics, Foshan Huate, CSIC, Baosteel Group, Shougang Group and other well-known domestic enterprises.