Shao Zhou Du

China National Petroleum Corp. engages in the production and supply of oil and gas products. Its businesses include petroleum exploration and production, natural gas and pipelines, refining and marketing, oilfield services, engineering construction, petroleum equipment manufacturing and new energy development, as well as capital management, finance, and insurance services. The company was founded on February 9, 1990 and is headquartered in Beijing, China.

CNPC Shenzhen Petroleum Industrial Co., Ltd. explores and develops natural gas. The private company is based in Shenzhen, China. The Chinese company is a subsidiary ultimately controlled by the Government of China.

Taicang Natural Gas Co., Ltd. engages in the sale and transmission of piped natural gas products. Its business activities include construction of gas pipelines, wholesale and retail of gas appliances, and building of compressed and liquefied natural gas filling stations. The company was founded on May 14, 2002 and is headquartered in Suzhou, China.

Xinjiang Dunhua Gas Engineering Technology Co. Ltd. engages in the provision of emission reduction and environmental technology services. Its business scope includes nitrogen and carbon dioxide gas technology promotion. The company was founded on November 18, 2014 and is headquartered in Aksu, China.

Suchuang Gas Corp. Ltd. is an investment holding company, which operates natural gas business. It involves in the distribution and sale of piped natural gas, transmission of natural gas, and contractor of gas pipelines construction and installation business. The company was founded on July 4, 2013 and is headquartered in Suzhou, China.