Colorimeter, Gloss Meter, Spectrophotometer manufacturer / supplier in China, offering ISO12233 Standard Version 2014 E-Sfr Resolution Test Chart Calibration Board for Lens, 3nh Transmittance Shgc Tester YT1020 Solar Film Testing Instrument Optical Transmittance Detector, 3nh Yt1010 Shading Coefficient Transmittance Tester for Glass Displays Film Plastic and so on.