China Infrastructure Investment Limited, an investment holding company, engages in the property investment and natural gas businesses primarily in the People's Republic of China. It is also involved in the property development, investment, and rental activities; operation of storage units; sale of pipelined natural gas and construction materials; holding of motor vehicles; provision of management services; and construction of natural gas projects. The company was incorporated in 1992 and is based in Tsim Sha Tsui, Hong Kong.