The registration address of dong zheng zhue instrument limited is located in room 305, building no. 6, no. 24, dong zheng jiang road, dong quan province. The registration authority is the market supervision authority of dong zheng city, represented by a legal person, and includes the development, processing, sale, maintenance of: detection instruments, mechanical equipment, laboratory equipment and equipment; the import and export of goods or technology (with the exception of goods and technologies which are prohibited by the state or involve administrative authorization). (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities) i'm not sure