General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Sales of geological exploration and seismic equipment; Manufacturing of geological exploration and seismic instruments; Sales of special equipment for oil drilling; Manufacturing of special equipment for oil drilling; Deep-sea oil drilling equipment sales; Underwater system and operation equipment manufacturing; Sales of underwater systems and operating equipment; Marine engineering equipment manufacturing;Marine engineering equipment sales; Gas compression machinery sales; Gas compression machinery manufacturing; Sales of station-based hydrogen refueling and storage facilities; General equipment manufacturing( Excluding special equipment manufacturing); Sales of hydraulic power machinery and components; Hydraulic power machinery and components manufacturing; Steam turbine and auxiliary equipment manufacturing; Manufacturing of special equipment for environmental protection; General parts manufacturing; Special equipment sales;Valve and plug development; Artificial intelligence application software development; Wholesale of computer hardware, software and auxiliary equipment; Retail of computer software, hardware and auxiliary equipment; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Auto parts retail; Auto parts wholesale; Auto parts research and development; Machinery and equipment rental; Mechanical equipment research and development; Machinery and equipment sales; Engineering and technical services( Planning Management、 Survey、 design、 Except supervision); Oil and gas technical services; General cargo warehousing services( Does not contain hazardous chemicals or other items that require licensing and approval); Import and export of goods; Technology import and export; Power facility equipment manufacturing; Power facility equipment sales; R&D of distribution switch control equipment; Distribution switch control equipment manufacturing; Sales of distribution switch control equipment; Sales of intelligent power transmission, distribution and control equipment; Energy Performance Contracting; Motor Manufacturing; Generator and generator set manufacturing; Sales of generators and generator sets; Motor and control system research and development; Mechanical and electrical equipment manufacturing; Mechanical and electrical equipment sales; Sales of power electronic components; transformer、 Rectifier and inductor manufacturing; Power transmission, distribution and control equipment manufacturing; Energy storage technology services; Battery rental; Battery Sales; Mining machinery sales; Mining machinery manufacturing; Lubricant sales。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Urban domestic waste commercial services; Road motor vehicle production; Road freight transport( Does not contain dangerous goods); Special equipment manufacturing; Special equipment inspection and testing; Installation, modification and repair of special equipment; Special equipment design; Power supply business; Electrical installation services; Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing; Power generation business、 Power transmission business、 for( match) Electricity business。( 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.)