The registration address of the two new materials and technology companies in dong chong city is located in room no. 130, li long road, east chong township, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, and operates in the following areas: research and development, processing, production and sale of high-performance membrane materials, packaging materials, labelling materials, composite materials, paper, packaging products, rubber products (the above-mentioned operations do not contain hazardous chemicals); technology development, technology transfer, technical advice and technical services for packaging materials; import and export of goods, technology and import and export. (projects subject to legal approval to operate with the approval of the relevant department)