General projects: Sales of specialized equipment for agricultural and sideline food processing, manufacturing of specialized equipment for agricultural and sideline food processing, and research and development of metal products; Wholesale of kitchenware, sanitary ware, and daily necessities; Research and development of kitchenware, sanitary ware, and daily miscellaneous products, retail of kitchenware, sanitary ware, and daily miscellaneous products, manufacturing of specialized equipment (excluding licensed professional equipment manufacturing), sales of electric heating food processing equipment, manufacturing of refrigeration and air conditioning equipment, sales of mechanical equipment, manufacturing of metal tools, manufacturing of metal packaging containers and materials, manufacturing of general equipment (including certification and manufacturing of unrestricted equipment), manufacturing of metal daily necessities, manufacturing of food and alcohol service special equipment, sales of mechanical parts and components; Research and development of mechanical equipment, information technology consulting services, repair of metal products, sales of refrigeration and air conditioning equipment, sales of gas compression machinery, manufacturing of fans and fans, sales of fans and fans, and sales of environmental protection special equipment. Manufacturing of specialized equipment for environmental protection, manufacturing of specialized equipment for packaging, sales of specialized equipment for packaging, sales of gas and liquid separation and purification equipment, manufacturing of gas and liquid separation and purification equipment, production of gas appliances, sales of metal structures, sales of special equipment, construction of earthwork engineering, labor services (excluding labor dispatch), furniture sales, furniture manufacturing, sales of building materials, sales of lightweight building materials, Wholesale of hardware products, sales of doors and windows, retail of hardware products, external contracting of projects, sales of building decoration materials, manufacturing of building decoration, plumbing pipe parts and other building metal products, installation and maintenance services for residential water and electricity, technical services, and technical development; Benxu Tongbang Production Lianben Tongcheng: Falling, leaving behind electrical products. Technical exchange, technology transfer, technology promotion, graphic design, professional design services (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law) License projects: Production of electric heating food processing equipment, construction of construction projects, indoor decoration and renovation of residential buildings, installation and maintenance of gas combustion appliances. Projects that require approval according to law can only be opened with the approval of relevant departments

Exhibition of business activities, specific business projects shall be subject to approval documents or licenses from relevant departments