Licensed Projects: Construction labor subcontracting; Electrical installation services。( 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: Mechanical equipment research and development; Internet of Things technology research and development; Metal product research and development; R&D of distribution switch control equipment; Motor and control system research and development; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Smart warehousing equipment sales; Sales of intelligent power transmission, distribution and control equipment; Research and development of intelligent robots; Intelligent robot sales; Sales of intelligent agricultural machinery and equipment; Sales of intelligent material handling equipment; Sales of intelligent basic manufacturing equipment; Smart agricultural management; Sales of intelligent logistics equipment for agricultural products; Metal structure manufacturing; Metal structure sales;Agricultural machinery manufacturing; Agricultural machinery sales; Agricultural machinery services; Manufacturing of special equipment for agricultural and sideline food processing; Sales of special equipment for agricultural and sideline food processing; Material handling equipment manufacturing; Material handling equipment sales; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Industrial robot manufacturing; Industrial robot sales; Industrial robot installation、 repair; Power transmission, distribution and control equipment manufacturing; Distribution switch control equipment manufacturing; Sales of distribution switch control equipment; Agricultural machinery rental; Power transmission, transformation and distribution monitoring and control equipment manufacturing; Sales of power transmission, transformation and distribution monitoring and control equipment; Metal forming machine tool manufacturing; Metal forming machine tool sales; General mechanical equipment installation services; Machinery and equipment sales; Machinery and equipment rental; Manufacturing of special instruments for environmental monitoring; Sales of special instruments for environmental monitoring; Metal material sales; Sales of new metal functional materials; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Non-ferrous metal rolling processing; Electrical instrument manufacturing;Sales of electrical instruments and meters; Supply instrument manufacturing; Supply of commercial instruments and meters; Mechanical parts、 Parts processing; Mechanical parts、 Parts Sales; General parts manufacturing; Metal product sales; Standardized services; Security Consulting Services; Information consulting services( No licensing information consulting services); Metal cutting services; Grain and oil storage services; Import and export of goods; Technology import and export; Import and export agent。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)