Mao Xu Gan

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.

Part of AVIC Joy Holdings (HK) Ltd., Beijing Sinogas Co. Ltd. operates natural gas stations and distributes gas station equipment. The company is based in Beijing, China.

Shanghai CNPC Enterprise Group Co. Ltd. is a private company that invests in and develops real estate. The company is based in Shanghai, China.

Qingdao Sinoenergy Corp. produces compressed natural gas and operates natural gas filling stations in China. It manufactures items for the natural gas industry, processes, transports and distributes natural gas to alternative energy. Sinoenergy manufactures customised pressurized containers, compressed natural gas filling station equipment, transportation vehicles, and vehicle fuel conversion kits. The company was founded by Bo Huang on Oct 29, 2004 and is headquartered in Qingdao, China.

Part of Zhongxing Tianheng Energy Technology (Beijing) Co., Ltd., Qingdao Sinogas General Machinery Ltd. Corp. is a company that manufactures pressurized vessels, petroleum refinery devices and related equipments. The company is based in Qingdao, China. The Chinese company was founded by Tian Zhou Deng, Bo Huang. Bo Huang has been the CEO since incorporation.

Transn IOL Technology Co., Ltd. provides translation and interpretation services. Its services include documents translation, website translation, software localization, certified translation, translator training and certification, transcription, dubbing, subtitling, and book translation services. The company was founded by Xin Shi and Xiu Hua Li on March 17, 2005 and is headquartered in Beijing, China.

Beijing Sensegain Investment Management Ltd. (Beijing Sensegain) is an independent Chinese investment management firm which was established in 2006. Headquartered in Beijing, the firm manages funds for individual and institutional investors.

Qingdao Sinoenergy Petroleum Co. Ltd. engages in the operation of oil and gas processing facilities. It explores and produces oil and natural gas products through its subsidiaries. The company was founded on May 27, 2015 and is headquartered in Qingdao, China.