This category included manufacturers, exporters, traders, distributors of analytical instruments e.g. HPLC, Digital UV-VIS Spectrophotometer, Semi Auto Chemistry Analyzer, Digital Flame Photometer, Digital Spectrophotometer, Microprocessor KF Moisture Titration, Digital Nephelo Meter, Microprocessor pH Meter, Photo Colorimeter, Digital Conductivity Meter, Digital Dissolved Oxygen Meter, Digital TDS Meter, Digital Salinity Meter etc..