Ningbo Zhoushan Port (SHA:601018) posted first-half attributable net profit of 2.54 billion yuan, down 2.1% from 2.60 billion yuan the previous year.
Earnings per share remained at 0.13 yuan, according to a filing with the Shanghai bourse.
Operating revenue rose 13% year over year to 16.9 billion yuan from 15.0 billion yuan.
The port operator declared an interim dividend of 0.31 yuan for every 10 shares.