Kunlun Energy Company Limited, an investment holding company, engages in the exploration, development, production, and sale of crude oil and natural gas in the Republic of Kazakhstan, the Sultanate of Oman, and the Kingdom of Thailand. The company operates through four segments: Natural Gas Sales; Sales of Liquefied Petroleum Gas (LPG); Liquefied Natural Gas (LNG) Processing and Terminal; and Exploration and Production. It also involved in the processing, unloading, storing, gasification, and entrucking of LNG; trading, distribution, and retail sale of various natural gas products; and wholesale and retail of various LPG products. The company was formerly known as CNPC (Hong Kong) Limited and changed its name to Kunlun Energy Company Limited in March 2010. Kunlun Energy Company Limited was incorporated in 1991 and is based in Hong Kong, Hong Kong. Kunlun Energy Company Limited is a subsidiary of PetroChina Hong Kong Limited.