Marina Investments is mainly engaged in the sale of pipeline gas, the provision of engineering construction and installation services of natural gas pipelines, natural gas pipeline services and the sale of canned gas. The company's gas business is spread across two cities in seven provinces across the country, with a total of 40 gas project companies, and has become a national supplier of clean energy. Currently, the first largest shareholder of Binhai Investments is Tianjin Teda Investment Holdings Limited, with a shareholding of 40.00%, and the second largest shareholder is China Petrochemical (00386), a wholly-owned subsidiary of China Petrochemical (00386), a shareholding of 29.99%.

Last year's results are weighed down by rising natural gas procurement costs, 1HFY2023 gross margin remains under pressure

FY2022, the company recorded revenue of HK$61.02 billion (HK$48.43 billion) (FY2021: $48.43 billion), up 26.0% year-on-year; shareholders accounted for a profit of $3.26 billion (FY2021: $4.4 billion), down approximately 18.5% year-on-year; net foreign exchange loss (FY2022: $8400,000), adjusted shareholders' income Profit was approximately $4.10 billion, up 9% year-on-year. Gas engineering construction and installation regular accounts added 106 thousand, down 35% year-on-year, and cumulative users reached 2299 thousand. Pipeline gas sales were 20.3 million cubic meters, an increase of 3% year-on-year, of which pipeline gas sales were 14.4 million cubic meters, an increase of 15% year-on-year, and pipeline gas transmission was 5.9 billion cubic meters year-on-year, a decrease of 17% year-on-year. Gross profit for the period was approximately $7.27 billion (FY2021: $8.55 million); the gross margin decreased to 11.9% (FY2021:17.7%), driven by rising gas procurement costs.