Beijing sources say Shanghai are locked in talks with Chelsea for the Ivorian.
"Everything is going well so far though there have been a few obstacles. They never turned us down, which is good for us," club board member Zhou Jun told The Shanghai Daily.
With Nicolas Anelka having recently signed with the Chinese side, Zhou believes the odds of signing the 33 year-old has shortened dramatically.
"It's like making a blockbuster film. When superstars like Jackie Chan, Jet Li and Zhou Xun have confirmed their participation, other actors and actress will be confident of the movie."