The Nature Publishing Index 2011 China — a supplement to the 24th May 2012 issue of Nature — provides a detailed assessment of the various research strengths of Chinese institutions and cities based on their output of research articles in Nature-branded primary research journals in 2011 (with 2010 and 2009 data included for comparison).
Press release:
English: https://www.natureasia.com/en/information/press_releases/20120524_NPI-China-2011.php
Mandarine: https://www.natureasia.com/ch/information/press-releases/20120524_NPI-China-2011.php