Binhai Investment Company Limited, an investment holding company, operates gas business in Hong Kong and Mainland China. It operates through Sales of Piped Natural Gas; Construction and Gas Pipeline Installation Service; Gas Passing through Service; and Sales of Bottled Natural Gas segments. The company offers construction of gas pipeline networks, provision of connection services, and sale of liquefied petroleum gas and piped natural gas for residential, industrial, and commercial customers, as well as property developer and management companies. As of December 31, 2022, it had a gas pipeline network of approximately 3,721 kilometers. The company also engages in property development business. The company was founded in 1994 and is headquartered in Causeway Bay, Hong Kong.