General projects for the installation and repair of special equipment (subject to legal authorization and subject to approval by the relevant authorities): sale of special equipment; sale of machinery and equipment; sale of industrial control computers and systems; manufacture of general equipment (other than special equipment); repair of general equipment; leasing of machinery equipment; development of machinery equipment; sale of electronic products; sale of plastics; sale of rubber products; integration of information systems; sale of machinery, parts and components; sale of axes, gears and conveyances; manufacture of axes, gears and conveyances; sale of metal cords and their products; sale of metal materials; construction of general machinery and equipment; import and export agents; import and export of goods; export of technical goods; sale of plastics; sale of rubber products; sale of information systems; sale of mechanical parts; manufacture of intellectual equipment; licensing of intellectual equipment for the manufacture of intellectual equipment, except for the production of electronic instruments; production of mechanical equipment for the purpose of the law