Sinopec Oilfield Service Corporation

International Industry Category: Mining

International Industry Major Class: Mining professions and auxiliary activities

International Industry Middle Class: Professional and auxiliary activities in the field of oil and gas extraction

International Industry Sub Class: Professional and auxiliary activities in the field of oil and gas extraction

General Contracting、 Professional Contracting、 Labor subcontracting； Construction Project Management； Services for onshore and offshore oil and gas extraction； Engineering and technology research and experimental development； Construction project preparation； Sales of machinery and equipment、 Hardware and Electrical、 computer、 Software and auxiliary equipment； Machinery and equipment rental； Energy mineral geological exploration、 Solid mineral geological survey； Geological exploration technical services； oil、 Investment in natural gas and mineral energy projects； Organize enterprises with manufacturing business projects to manufacture metal structures、 Metal Tools、Metal pressure vessels、 General Instruments、 Special instruments、 Chemical reagents、 Chemical additives、 Special chemical products（ Including oilfield chemicals） and mines、 metallurgy、 Special equipment for construction； Organize enterprises with foreign engineering contracting licenses to contract overseas petroleum projects、 Natural gas engineering、 Chemical Engineering、 Bridge Engineering、 Highway Engineering、 Housing construction projects、 Water conservancy and hydropower projects、 Municipal public works、 Steel structure engineering、 Power Engineering、 Fire protection facilities engineering、 Industrial plant projects and domestic and international bidding projects； Import and export of goods； Import and export agent； Technology import and export。（ Market entities independently choose business projects in accordance with the law， Carry out business activities； Projects that require approval according to law， Carry out business activities in accordance with the approved content after approval by relevant departments； Not be allowed to engage in business activities of projects prohibited or restricted by national and municipal industrial policies。）

Chinese Industry Category: Petroleum and Petrochemical

Chinese Industry Major Class: Oil and gas extraction

Chinese Industry Middle Class: Oil and gas production support activities

Chinese Industry Sub Class: Oil and Gas Engineering