The business scope includes the wholesale and retail of pre-packaged food. Import and export of goods, technology import and export; carry out the import and export business of various commodities and technologies to neighboring countries and regions through small-scale trade at the border (except for commodities and technologies that are restricted or prohibited by the state. ); Sales of iron ore, iron ore, and health food.

Mining, marketing, processing and comprehensive utilization of coal;R & D, production and sales of coal chemical products, chemical fertilizers and fine chemical products;Electricity production and supply;Coal railway transport (self-operated railway only);Mechanical processing;Manufacture and repair of special equipment, instruments and accessories for coal mines;Scientific research and design of coal, chemical industry and coal machinery;Coalfield geological exploration;Consulting services;Deep processing of coal and associated minerals;Mining engineering and industrial and civil buildings;Mechanical and electrical equipment installation;Mine (building) engineering design;Project supervision;Building materials sales;Manufacture and sale of gas products;Fire engineering, road transportation;Material storage;High-tech industry;Agroforestry.Acting as self-agent for import and export of all kinds of commodities and technologies, except the commodities and technologies restricted by the s

Mining, marketing, processing and comprehensive utilization of coal;R & D, production and sales of coal chemical products, chemical fertilizers and fine chemical products;Electricity production and supply;Coal railway transport (self-operated railway only);Mechanical processing;Manufacture and repair of special equipment, instruments and accessories for coal mines;Scientific research and design of coal, chemical industry and coal machinery;Coalfield geological exploration;Consulting services;Deep processing of coal and associated minerals;Mining engineering and industrial and civil buildings;Mechanical and electrical equipment installation;Mine (building) engineering design;Project supervision;Building materials sales;Manufacture and sale of gas products;Fire engineering, road transportation;Material storage;High-tech industry;Agroforestry.Acting as self-agent for import and export of all kinds of commodities and technologies, except the commodities and technologies restricted by the s

Petroleum and natural gas exploration, production, technology research and development, technical consulting services and mineral product marketing; basin and surrounding mineral resource exploration, production and mineral product marketing; self-operated import and export, foreign economic and technical cooperation; production of special equipment for oil drilling and perforation Equipment processing; storage tanks, pipeline physical cleaning, maintenance and technical services; oil and gas metering technology development and technical consulting services; downhole tool development, production, sales and maintenance; oil and gas field oil (gas) engineering planning and program design, oil production technology and equipment Tool production, sales and product (technical) testing; lubricants, auto parts, auto repairs, daily groceries, stationery, agricultural machinery and accessories, rubber products, sporting goods (except crossbows), health supplies, hardware products, building mate

Graphite selection; new energy science and technology research; graphite and carbon products manufacturing; import and export of goods.

New product development, technical consulting, design, manufacturing, construction, product after-sales installation and commissioning and general contracting of heavy machinery engineering and casting, forging and welding products such as nuclear power, petrochemical, metallurgy, forging, mining, electric power and military products; natural gas and other new energy equipment , Cold chain logistics and trade, technical consulting, design, manufacturing, construction, transportation and general contracting of logistics business; technical consulting and design of environmental protection equipment projects such as garbage disposal, desulfurization and denitrification, seawater desalination, comprehensive utilization of straw, and waste tire recycling , Manufacturing, construction, product after-sales installation and commissioning and general contracting; technical consulting, design, manufacturing, and product after-sales service for modern, intelligent, and large-scale agricultural m

Domestic commerce (except for approval); providing productive labor services for oil and natural gas exploitation (no business prohibited or restricted by the state); planting and breeding industry; house leasing; site leasing; import and export business; urban landscaping three-level; equipment Leasing; road general cargo transportation; surveying and mapping science and technology research services; house demolition services; land planning services; business management consulting services; sewage treatment and recycling; rural land consolidation services; mineral oil waste management services; information system integration services; Drilling waste treatment technical services; oilfield production guarantee technical services; road transportation of dangerous goods; environmental protection monitoring; land reclamation; soil pollution control and restoration services; sales: food, meat, eggs, poultry, aquatic products, vegetables, and fruits; Level 3 general contracting of constructi