Chairman of the Industrial and Commercial Bank of China (ICBC) Jiang Jianqing (L) and Co-chairman of the board of directors of Deutsche Bank Juergen Fitschen (C) attend a discussion forum of the 2014 Sino German Business Summit in Berlin, Germany, on June 4, 2014. (Xinhua/Zhang Fan)

German Vice Chancellor and Economy and Energy Minister Sigmar Gabriel speaks during the 2014 Sino German Business Summit in Berlin, Germany, on June 4, 2014. (Xinhua/Zhang Fan)

Co-chairman of the board of directors of Deutsche Bank Juergen Fitschen speaks during the 2014 Sino German Business Summit in Berlin, Germany, on June 4, 2014. (Xinhua/Zhang Fan)

Chairman of the Industrial and Commercial Bank of China (ICBC) Jiang Jianqing (3rd L) and Co-chairman of the board of directors of Deutsche Bank Juergen Fitschen (3rd R) attend a discussion forum of the 2014 Sino German Business Summit in Berlin, Germany, on June 4, 2014. (Xinhua/Zhang Fan)

 German Vice Chancellor and Economy and Energy Minister Sigmar Gabriel speaks during the 2014 Sino German Business Summit in Berlin, Germany, on June 4, 2014. (Xinhua/Zhang Fan)

Chairman of the Industrial and Commercial Bank of China (ICBC) Jiang Jianqing (L) and Co-chairman of the board of directors of Deutsche Bank Juergen Fitschen attend a discussion forum of the 2014 Sino German Business Summit in Berlin, Germany, on June 4, 2014. (Xinhua/Zhang Fan)