The registration address of cset is located in room no. 93, east road, east wall street street, dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, li, and covers the development and sale of building glues, eco-environmental materials; the processing and sale of building glues, carbon fibres, carbon fibres; construction hardware, waterproofing materials, wholesale and retail distribution of reinforced materials; construction of building structures and strengthening works; steel structure processing, installation; architectural and decoration engineering, construction; gardening engineering design, construction; concrete cutting, demolition works; municipal engineering; import and export of goods or technology (with the exception of goods and technology whose import and export is prohibited or involving administrative approval by the state). (projects subject to legal approval to operate with the approval of the relevant department)