Zhenyu Li

Doof International Holding Group Co., Ltd. engages in business activities including investment, industrial, property, hotel, and trading industries. Its Investment segment solves funding issues for real estate developers. Its Industrial segment builds research institutions, and invests in the development of nickel ores, bauxites, petroleum gas, fluorite, and granite building materials. Its Property segment encompasses real estate development, commercial operations, and property services. Its Hotel segment involves in hotel projects, management, and operation activities. Its Trading segment covers import and export of energy and commodity products. The company was founded in 2003 and is headquartered in Beijing, 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.