Sino Oil and Gas Holdings Ltd is an investment holding company. The company is principally engaged in exploration, development, and production of coalbed methane, raw coal washing, and sale of raw and cleaned coal. It has four reportable segments namely Coalbed methane, Raw and cleaned coal, Oil and gas exploitation, and Financial services. The group generates most of its revenues from Raw and cleaned coal segment. The group geographically earns revenues from the People's Republic of China.