Which brand of atomic fluorescence spectrophotometer is the best?

At present, the manufacturers of atomic fluorescence are: atomic fluorescence is invented by domestic manufacturers, and the manufacturers are mainly domestic enterprises, including: Dongxi Electronics, Beijing Ruili, Beijing Yoshida, Beijing Jinsuokun, Kechuang Guang Hai, Institute of Geophysics of the Academy of Geological Sciences (Langfang Yuan Di) and Puyan General; There are few importers, only Canadian Aurora, which is also a company founded by China. As far as the instrument itself is concerned, the products representing the highest technical level of various companies are: PF-6, AFS9230 of Beijing Putian, AFS 630 of Beijing Ruili, AFS9800 of Kechuang Guang Hai, SK- Sharp Analysis of Beijing Jinsuokun, XGY-6060 of Geophysical Exploration Institute of the Academy of Geological Sciences, AF-7500 of East-West Electronics, etc. In terms of price, according to different configurations, it is from 654. On average, each set is about 6.5438+0.5 million. When purchasing instruments, you can comprehensively consider the cost performance and after-sales service. If you don't understand and want me to recommend you, you can contact me in the station.