China Oil & Gas Group Ltd. is a holding company, which engages in the investment in natural gas and energy related businesses. It operates through the following segments: Sales and Distribution of Natural Gas and Other Related Products, Gas Pipeline Construction and Connection, Exploitation and Production of Crude Oil and Natural Gas, and Production and Sales of Coal Derived Clean Energy and Other Related Products. The company was founded on June 17, 1905 and is headquartered in Hong Kong.