Intelligent equipment manufacturing (limited to branches); Metal cutting and welding equipment manufacturing (limited to branches); Development, installation, sales and service of automation control system; Industrial automation equipment, mechanical and electrical equipment research and development; Intelligent technology research and development, service; Material science research, technology, application software development; Technical services for machine tools and automation equipment; Engineering and technology basic science research services; Machinery and equipment leasing; Production of 3D printing equipment (branch offices only); Mechanical and electrical equipment processing (limited to branches);