General project: Sales of mechanical equipment; Research and development of new materials technology Promotion services for new materials technology; Sales of synthetic materials Sales of non-metallic minerals and products; Sales of chemical products (excluding chemical products subject to licensing) Sales of industrial textile products Sales of electrical equipment Sales of mechanical parts and components; Wholesale of hardware products Retail of hardware products Mold sales Sales of plastic products Sales of metal products Sales of metal cutting and welding equipment; Sales of special equipment Sales of agricultural machinery Sales of industrial control computers and systems; Sales of refrigeration and air conditioning equipment; Sales of industrial robots Sales of intelligent power transmission, distribution and control equipment; Sales agent Domestic trade agency Import and export of goods; Import and export agency Technology import and export. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently in accordance with the law based on the business license.