Setsi sa R&D Citymax Plant Physiology Laboratory 01 Citymax China R & D Center 02 Citymax Plant Physiology Laboratory 03 Taolo ea Boleng Kjeldahl nitrogen analyzer 01 spectrophotometer ea ho monya atomic 02 Atomic fluorescence spectrophotometer 03 Chromatograph ea metsi 04 Titrator ea Potentiometric e ikemetseng 05