Shu Man Zhang

Shanghai Tube-Cote Petroleum Pipe Coating Co., Ltd. engages in the production and sale of anti-corrosion materials and related chemical products. Its business activates also include pipe coating, steel processing, and provision of after-sales services. The company was founded on March 8, 2002 and is headquartered in Shanghai, China.

Hilong Group of Companies Ltd. engages in the manufacture and sale of oilfield equipment. Its products include pipeline coatings, welding wires, fluxes, petroleum continuous pipes, gas filing stations, heat shrink sleeves, drilling equipment and accessories, and thread protectors. Its services include petroleum and natural gas development, anticorrosive treatment of pipes, and related technical services. The company was founded on January 14, 2005 and is headquartered in Shanghai, China.

Shanghai Hilong Shine New Material Co., Ltd. engages in the development and production of special coatings and chemical materials. Its business activities include construction of anti-corrosion insulation, installation and construction of chemical oil equipment pipelines, and import and export business. The company was founded on November 12, 2003 and is headquartered 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.