The registration address of the city of dong chong chong, ltd., is located in room 301, no. 138, dong chong, mayor of guangdong province. The registration authority is the market supervision authority of dong chong chong, representing the legal entity, and is concerned with the production, processing and processing of hardware, clocks, electronics, instrumentation, mechanical and electrical equipment, hardware accessories, machinery and equipment, machine accessories, sales: clocks, machinery and equipment, machine accessories, import and export of goods and technology. (projects subject to legal approval to operate with the approval of the relevant department)