This chart maps the major actors involved in the formation of the Consolidated National Advertisting Company (Lianhe guanggao gongsi), resulting from the merger in 1930 of five preexisting agencies. The founding agencies appear on the left and right side, with their founders/managers and their connections with the press. Agencies specialized in the press are marked in beige, those specialized in outdoor advertising in blue. Its two major subsidiaries are represented above and below. 

The tree map was made with X-Mind. An interactive version can be found on the X-Mind website.