According to the report, the investment would total US$185 million from US$137 million upon the completion of the injection.
The capital injection would be the Chinese shipping operator's second additional investment in the project, of which it owns 20%, after raising it from US$68.75 million in April.
COSCO Pacific is still exploring overseas investment opportunities in a bid to turn itself a global player despite recent downturn in the global shipping market.
The company announced late last month that it has clinched a deal to win a 35-year franchise operating right of the Piers 2 and 3 terminals at the port of Piraeus in Greece, China Knowledge reported earlier.
Shares of COSCO Pacific plummeted 8.06% to HK$6.62 on Friday.