2020亚洲无码在线观看_在线无码av网站每日更新_久久激情无遮挡免费视频_东京热无码片免费看

Chemical Advanced Materials

Dyestuff Information Centre

The centre mainly carries on collection, organization and research of the dyestuffs industry information. It's in charge of the Society of Chinese Dyes and Colorists (CIESC) and the National Dyestuff Industry Information Centre. Dyestuffs and Coloration, dye information materials and manuals are edited and published by the centre.