Licensed Projects: Various engineering construction activities; Building intelligent system design; Construction Engineering Survey; Construction Engineering Design; Fire protection facility construction; Cultural relics protection project construction; General contracting of housing construction and municipal infrastructure projects; Power facility installation、 Repair、 Test; Power generation、 Power transmission、 Power supply business; Road motor vehicle production; hydropower; Electric food processing equipment production; Mineral Resources( Non-coal mines) mining; Import and export of goods; Import and export agent; Real estate development and operation; cement production; Production of packaging and containers for hazardous chemicals; Pressure cooker production; Fertilizer production; Construction labor subcontracting( 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: Engineering Management Services; Rental Services( Excluding publication rental); Engineering and technical research and experimental development; Sales of generators and generator sets; Mechanical and electrical equipment manufacturing; Auto parts wholesale; Sales of new energy vehicle production and testing equipment; Electronic weighing service; Material handling equipment manufacturing; Manufacturing of transportation equipment and production counting instruments; Plastic packaging box and container manufacturing; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); gas、 Liquid separation and purification equipment sales; Sales of distribution switch control equipment; Fertilizer sales; Research and development of compound microbial fertilizers; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Offshore engineering design and module design and manufacturing services; Nuclear power equipment complete sets and engineering technology research and development; Construction machinery manufacturing; Development of key supporting systems for marine engineering;Marine engineering equipment sales; Construction machinery sales;Earthwork construction; Construction machinery and equipment rental; Landscaping project construction; Foreign contracting projects; General mechanical equipment installation services; Machinery and equipment rental; Sales of high-quality special steel materials; gas、 Liquid separation and purification equipment manufacturing; Research and development of key technologies for waste heat power generation; Research and development of waste heat, waste pressure and waste gas utilization technology; Research and development of high-efficiency energy-saving technologies in the power industry; Railway transportation equipment sales; Sales of electrical signal equipment; Ore dressing; Agricultural machinery sales; Human Resources Services( Excluding employment agency activities、 Labor dispatch services); Chemical product production( Does not contain permitted chemical products); Building materials sales; Agricultural machinery services; Smart agricultural management; Agricultural machinery rental; Technologies related to agricultural production and management、 information、 Facility construction and operation services; Livestock machinery sales; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Comprehensive utilization of agricultural, forestry, animal husbandry and fishery waste; Agricultural film sales;Soil pollution control and remediation services; Leisure and sightseeing activities; Sales of intelligent agricultural machinery and equipment; Research and development of intelligent robots; Manufacturing of special equipment for agricultural and sideline food processing; Sales of special packaging equipment; Home appliance sales; Snacks; Feed raw material sales; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair;Agricultural machinery manufacturing; Mechanical equipment research and development; Market management services; Advertising Production; Advertising( Non-broadcast stations、 TV station、 Newspaper and periodical publishing units); Advertising Design、 acting; Hardware product manufacturing; Daily sundry goods manufacturing( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)