AJ-3700 Gas Phase Molecular Absorption Spectrometer

APA-500 Automatic Permanganate Index Analyzer

AJ-5100 Fully automatic potassium permanganate consumption analyzer

AJ-1000 Flow Injection Analyzer

AJ-5700 Series Automatic Chemical Oxygen Demand (COD) Analyzer

AJ-6100 Fully automatic iodine element analyzer

AJ-6400 Portable thallium meter series