Optical Lens, Fused Silica, Laser manufacturer / supplier in China, offering Double Beam and Double Monochromator High-End Laboratory UV Visible UV-Vis Spectrophotometer, 722s Vis Spectrophotometer with Range 340nm~1000nm Optical Spectrometer Instruments, High Quality Laboratory Spectrometer Test Photometer Portable UV Visible Spectrophotometer and so on.