The registration address of the state of hebei for environmental science and technology, ltd., is located in fort sok, district mayor's office of anglu, from the south of the village council, with the registration authority being the city of dinzhou market supervisory authority, represented by a legal person, miyunbar, which covers the development, manufacture and installation of environmental equipment; the construction of sewage treatment works; the wholesale, retail and import of electronic products; and the import and export of goods (subject to the approval of the relevant authorities in accordance with the law)