The registration address of hebei expands the means of blast prevention is located at wang zhang village, wang wu town, poizhou city, hebei province. The registration body is the market supervision authority of the boeing city. The legal person is zhang zhang zhou and operates on behalf of zhang zhou, including the sale of explosive tools, special tools, explosive electrical equipment, static electrical products, hardware tools, car parts, oil machinery equipment and spare parts; the sale of casting iron; the production of raw materials for the operation of the enterprise and scientific research; the import, export and import of technology; the import and export of goods (projects subject to the approval required by law and the approval of the relevant authorities; the general operations are visible and can be carried out autonomously in accordance with the law)