Licensed Projects: Onshore oil and gas extraction, Hazardous waste management, Road freight transport( Does not contain dangerous goods), Road transport of dangerous goods, Public rail transport, General cargo transportation by water, Power generation business、 Power transmission business、 for( match) Electricity business, Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing, Electrical installation services, Inspection and testing services, Special equipment inspection and testing, Accommodation Services, Catering Services, Food sales。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Oil and gas technical services, Engineering and technical services( Planning Management、 Survey、 design、 Except supervision), Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Engineering and technical research and experimental development, Software Development, Water pollution control, Wastewater treatment and recycling, Solid waste management,Soil pollution control and remediation services, Domestic freight forwarding, loading and unloading, General cargo warehousing services( Does not contain hazardous chemicals or other items that require licensing and approval), Foreign contracting projects, Bidding agency services, Import and export of goods, Technology import and export, Import and export agent, Rental Services( No licensed rental services), Safety and technical training for special operations personnel, Business Training( No education or training、 Vocational skills training and other training that requires a license), Labor Services( Excluding labor dispatch), General equipment manufacturing( Excluding special equipment manufacturing), General parts manufacturing, General equipment repair, Electrical equipment sales, Electrical equipment repair, Motor vehicle repair and maintenance, Instrument repair,Chemical product sales( Does not contain permitted chemical products), Specialty chemical product sales( No hazardous chemicals),Specialty chemical product manufacturing( No hazardous chemicals), Manufacturing of special equipment for oil drilling, Power transmission, distribution and control equipment manufacturing, Mechanical and electrical equipment manufacturing, Power facility equipment manufacturing, Sales of special equipment for oil drilling, Mechanical equipment research and development, Mechanical parts、 Parts processing, Mechanical parts、 Parts Sales, Manufacturing of special equipment for environmental protection, Sales of special equipment for environmental protection, Metal structure manufacturing, Metal structure sales, Metal packaging containers and materials manufacturing, Metal surface treatment and heat treatment processing, Recycled resource sales, Daily necessities sales, Internet sales( Except for the sale of goods that require a license), Lubricant sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)