R&D centre Citymax Plant Physiology Laboratory 01 Citymax China R&D Center 02 Citymax Plant Physiology Laboratory 03 Fanaraha-maso kalitao Kjeldahl nitrogen analyzer 01 Atomic absorption spectrophotometer 02 Atomic fluorescence spectrophotometer 03 chromatograph ranon-javatra 04 Automatic Potentiometric Titrator 05