Imported brands
Waters, Agilent, Shimadzu, American Science System (SSI), Dionex, PE(PerkinElmer), Varian, acquired by Agilent), Thermo Fisher Scientific, Hitachi (represented by Hitachi and Mei Tian), Japanese Spectrophotometer (represented by Jasco and Huayang Ecotech), Germany Knauf, Beckman, South Korea Yonglin, Australia GBC, gilson, etc.
Domestic brands (including domestic assembly)
Dalian Park Rongsu, Saizhi Technology (Hangzhou) Co., Ltd., Beifen Ruili, Leibotec (Beijing), Beijing Innovation Tongheng, Beijing Wenfen, Beijing Dongxi Electronics, Suzhou Shimadzu, Shanghai Mei Tian, Shanghai Wufeng, Shanghai Tongwei, Nanjing Jack, Zhejiang R&F, etc.
Add some manufacturers that produce special detectors.
Alltech, SEDERE, Eurosep, ESA, SofTA, SFD, PL (Polymer Laboratories, acquired by Varian), Shodex, Metrohm, etc.