Safety protection technology、 Security product technology promotion services, Information Technology Development、 consult、 Serve、 transfer, Security equipment and equipment、 communications equipment、 lighting equipment、 Firefighting equipment、 office equipment、 Instruments、 Electronics、 security products、 Chemical products( Hazardous chemicals、 Except for easily manufactured drugs) Sale, Hotel Management, Property Management, Organize cultural and artistic exchange activities, Exhibition services, Security system design, Radio and television program production, General freight transport by road, Quality inspection technical services, Engaged in advertising business, Public security consultation services, Import and export agent, Physical development training, Education Information Consulting, Import and export of goods or technology( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval)。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)