Spectrophotometer, Balance, pH Meter manufacturer / supplier in China, offering Cheap 2nm Spectral Bandwidth Visible Spectrophotometer Yoke V1700, N5000s Lab Single Beam UV Vis Spectrophotometer with Variable Bandwidth 0.5/1/2/4/5nm, High Sensitivity and Low Noise Single Beam UV Vis Spectrophotometer for Pharmaceutical and so on.