The registration address of the city of dong chong is located in room no. 609 of the zhui wood section, no. 12, in dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, and includes sales of plastic materials, plastics, plastics aids, plastics pigments, rubber products, rubber raw materials, rubber aids, rubber paints, nanomaterials, packaging materials, water coatings, resins, glues, oil ink aids (excluding dangerous chemicals); the development and promotion of new materials technology; and the import and export of goods or technologies (except for goods and technologies for which the state prohibits or involves administrative approval). (projects subject to legal approval to operate with the approval of the relevant department)