Few months after he was released, he has now made a dramatic return to the club as a replacement for Odion Ighalo who agreed on an extension with Manchester United until January.
During his first stint at the club l, Martins scored 32 goals in 59 matches.
Shenhua will face reigning CSL champions Guangzhou Evergrande on the opening day of the season on July 25 and Martins could make his second debut.