Zhang has extensive regional governance experience unmatched by senior leaders of his generation . He successively served as the Party Secretary of the provinces of Jilin , Zhejiang and Guangdong . The SARS outbreak began in Guangdong and occurred during Zhang 's term as the provincial party chief there . He served as Vice-Premier in charge of energy , telecommunications , and transportation under Premier Wen Jiabao , widely known for being Wen 's ' troubleshooter ' of choice , leading various disaster response task forces , such as during the 2009 Heilongjiang mine explosion and the 2011 Wenzhou train collision . In March 2012 , Zhang replaced Bo Xilai as the party secretary of Chongqing
2009 Heilongjiang mine explosion
2009 Heilongjiang mine explosion
Zhang Dejiang