General project: Sales of optoelectronic devices; Sales of metal cutting and welding equipment; Sales of mechanical equipment; Sales of industrial robots; Sales of electronic specialized equipment; Sales of instruments and meters; Sales of mechanical parts and components; General equipment repair; Research and development of mechanical equipment; Software development; Industrial design services; Import and export of goods; Technology import and export. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently with the business license in accordance with the law)