Zhi Guo Zhang

China Marine Bunker (PetroChina) Co., Ltd. engages in the supply of bunker oil, marine lubricants, and fresh water to vessels. It also provides transportation and storage of oil products. The company was founded in 1972 and is headquartered in Beijing, China.

Petrochina Kunlun Gas Co., Ltd. principally engages in the construction of urban gas pipeline networks; urban gas transmission and distribution; the sale of natural gas and liquefied petroleum gas; as well as the provision of related after-sales services. The company was founded on July 27, 2001 and is headquartered in Beijing, China.

PetroChina North China Marketing Co. wholesales petroleum products and is ultimately controlled by the Government of China.

Dalian Port Container Terminal Co., Ltd. engages in the container terminal operation. Its business scope includes cargo handling, disassembly, storage, distribution, transportation, transit and multimodal transport, integrated logistics, container repair, and yard matching; electronic data exchange service and information system development; container terminal construction, management, and operation; and the above-mentioned business-related consulting and supporting services. The company was founded on September 3, 2004 and is headquartered in Dalian, China.

Dalian Container Terminal Co., Ltd. engages in the construction, operation, and management of container terminals. The company was founded on June 3, 1996 and is headquartered in Dalian, China.

Chongqing Petroleum & Gas Exchange Center Co., Ltd. is a private company that operates a natural gas trading center. The company was founded in 2017 and is based in Chongqing, China. The Chinese company's website provides information on transaction and price information, company news, policy guides, member services, and system and rules. The company also offers training courses and forums related to the oil and gas industry. The website is available in English and Chinese. The company provides information on natural gas spot prices and LNG plant prices.