The registration address of the city of dong chong is at no. 333, chang pyeong street, dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, liu long cay, and operates in the following areas: plastic materials, plastic aids, plastics, plastics, modified plastics (above dangerous chemicals); import and export of goods or technology (except for goods and technologies whose import and export are prohibited by the state or which involve administrative authorization). (projects subject to legal approval may not operate without the approval of the relevant department)