Softness Tester, Stiffness Tester, Cobb Absorption Tester manufacturer / supplier in China, offering Electronic Digital Plastic/ Paper Brightness Whiteness Opacity Tester, Brightness Whiteness Color Tester /Analysis Meter, Yt-48A Laboratory Paper Brightness Meter Color Test Machine ISO2471 ISO2470 ISO 11475 Colorimeter Tester and so on.