Additive manufacturing and laser manufacturing equipment manufacturing; mold additive manufacturing equipment manufacturing; 3D scanning and printing equipment manufacturing; drying equipment manufacturing; packaging specialized equipment manufacturing; refrigeration and air conditioning equipment manufacturing; continuous conveying equipment manufacturing; light and small lifting equipment manufacturing; metal cutting and welding equipment manufacturing; general equipment repair; general mechanical equipment sales; general mechanical equipment retail; intelligent electrical equipment manufacturing; intelligent machine system production; security smart card equipment and system manufacturing; intelligent wearable device manufacturing; intelligent installation engineering services; AI hardware sales; intelligent machine system sales; intelligent machine sales; AI algorithm software technical development and technical services; intelligent machine system technical services; furniture specialized production equipment manufacturing; textile specialized equipment manufacturing; leather, fur and their product processing specialized equipment manufacturing; electrical machinery specialized equipment manufacturing; electronic industry specialized equipment manufacturing; environmental protection specialized equipment manufacturing; commercial, catering, and service specialized equipment manufacturing; automotive production specialized equipment manufacturing; railway specialized equipment and accessories and parts manufacturing; urban rail transit equipment manufacturing; power distribution switchgear equipment manufacturing; electroplating equipment and device manufacturing; specialized equipment repair; sports equipment and accessories manufacturing; building and furniture metal accessories manufacturing; hardware accessories manufacturing and processing; automotive parts and accessories manufacturing (excluding automotive engine manufacturing); railway locomotive and rolling stock parts manufacturing; household electrical appliance specialized parts manufacturing; mechanical parts wholesale; computer parts wholesale; computer parts retail; software wholesale; software development; software services; software technology promotion services; goods import and export (excluding goods under state monopoly or control); technology import and export; commodity wholesale trade (excluding licensed and approved commodities); commodity retail trade (excluding licensed and approved commodities); internet commodity sales (excluding licensed and approved commodities); internet commodity retail (excluding licensed and approved commodities).