Created in China > Chinese Learning Spreading to the West > Advanced Search 　 　 　 　 　 　 　 Wang Xuan: Father of Laser Photo Typesetting System The Spread of Printing Technology The Spread of Papermaking Paper Money Multicolor Chromatography and Color Printing Stone-rubbing Brush and Ink Seal Xuan Paper Hu Zhengyan Wang Zhen Cai Lun Bi Sheng Movable Type Printing Engraved Block Printing The Invention of Printing Technology---A Need for Cultural Spread Cai Lun Improved the Papermaking Technology The Development in Papermaking The Birth of Papermaking Writing Materials before the Papermaking The Technical Symbol for the Third Civilization Eras