General Projects: Sales of special equipment for environmental protection; gas、 Liquid separation and purification equipment sales; Sales of special instruments for environmental monitoring; Sales of intelligent power transmission, distribution and control equipment; Special equipment sales; navigation、 Surveying and Mapping、 Sales of meteorological and oceanographic instruments; Mining machinery sales; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); Engineering and technical research and experimental development; Manufacturing of special equipment for environmental protection; gas、 Liquid separation and purification equipment manufacturing; Software Development; Engineering Management Services; Manufacturing of special instruments for environmental monitoring; Manufacturing of special machinery and equipment for water resources; Information system integration services; Mining machinery manufacturing; Agricultural non-point source and heavy metal pollution prevention and control technical services; Nuclear power equipment complete sets and engineering technology research and development; New material technology research and development; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Pump and vacuum equipment sales; Development of key supporting systems for marine engineering; Pump and vacuum equipment manufacturing; Industrial Engineering Design Services; Motor Manufacturing; oven、 Furnace and electric furnace manufacturing; Sales of forgings and powder metallurgy products; oven、 Furnace and electric furnace sales; General equipment manufacturing( Excluding special equipment manufacturing); Network equipment sales; Testing machine manufacturing; Network equipment manufacturing; Synthetic material manufacturing( No hazardous chemicals); Ecological and environmental material manufacturing; Special machinery manufacturing for building materials production; Climate Feasibility Consulting Services; Research and development of key technologies for waste heat power generation; Synthetic material sales; oil refining、 Sales of special equipment for chemical production; Mechanical and electrical equipment sales; Mechanical and electrical equipment manufacturing; oil refining、 Manufacturing of special equipment for chemical production; Industrial Internet Data Services; Offshore engineering platform equipment manufacturing; Conference and Exhibition Services; Special equipment repair; Sales of distribution switch control equipment; R&D of distribution switch control equipment; Rental Services( No licensed rental services); Lighting fixture manufacturing; Data processing and storage support services; Sales of special equipment for oil drilling; Lighting fixture sales; Computer software, hardware and peripheral equipment manufacturing; Manufacturing of special equipment for oil drilling; Manufacturing of special equipment for electrical machinery; Sales of special electronic equipment; Generator and generator set manufacturing; Sales of special electronic materials; Sales of power electronic components; Sales of non-electrical household appliances; Electronic component manufacturing; Material handling equipment sales; Trade Brokerage; Purchasing agent services; Information consulting services( No licensing information consulting services)。( 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: Construction project construction; Construction Engineering Design; Installation, modification and repair of special equipment; Special equipment design; Special equipment manufacturing; Hazardous waste management; Disposal of waste electrical and electronic products。( 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.)