The registration address of hebei and chang bomb tool ltd. Is located on the second floor of gate 4-6 of the age court, located on the eastern side of xinjiang road on the eastern side of the xinjiang road. The registration authority is the xinjiang market supervision authority, represented by legal persons, and includes the manufacture and sale of blast-proof tools; the sale of hardware tools, blast-proof appliances, mechanical equipment, labour safety supplies. (projects subject to legal approval and subject to the approval of the relevant authorities before operating)**