The registration address of dong-hoon nanotech limited is located on the first floor of road no. 1702, located in the neighbourhood of the city of toung-hoon city, on the 1st floor of road no. 1708. The registration authority is the market supervision authority of dong-hyun city, with representatives of legal entities and includes the development, sale, maintenance and transfer of technologies: nanomaterials, vacuum plating, vacuum coating equipment; sale of general-purpose mechanical equipment and accessories, electronics, office supplies, car spares, automobiles, plastic materials, plastics, paper products, alloys and other chemical products (without dangerous chemicals); processing: nanomaterials; import and export of goods, technology and imports。