Zheng Gang Chen

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.

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.

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.

Qingdao Sinoenergy Petroleum Investment Co., Ltd. engages in the investment, development, and operation in the energy industry. It involves in the research, development, production, and sale of oil and gas-related professional equipment. The company also provides petroleum & natural gas exploration and exploitation technology consulting and engineering services. Qingdao Sinoenergy Petroleum Investment was founded on December 14, 2015 and is headquartered in Qingdao, China.

China Sam Enterprise Group Co., Ltd. engages in the operation of energy, capital management, investment, international trade, and film industry. The energy business includes exploration, mining, storage and transportation, and sale of oil, natural gas, and oil shale; and mineral development. The capital management business includes investment management and investment advisory management and services. The investment business covers the international trade, high-tech, environmental technology, legal affairs, surveying and mapping technology, land consolidation, advisory services and financial services. The international trade includes import and export of fuel oil, mineral products, metal materials, chemical products, agricultural products, textile raw materials, rubber, medical equipment, engineering equipment, and timber. The film business includes investment, production, and distribution of movie film and television series. The company was founded on February 1, 1985 and is headquartered in Beijing, China.