Shenzhen Nanshan District Guangdong No.13 Surveillance Equipment No.21 Photovoltaic Batteries No.22 Solar Cells No.23 Liu Media Technology No.29 Access Control Systems No.29 Ji Station No.32 Smart Society District No.34 Antennas No.41 Video Surveillance Systems No.45 Video Surveillance No.47 Video Security Surveillance No.63 Monitoring Systems 双软认证 国家高新技术企业 高新技术企业 科技型中小企业 省级高新技术企业 发明专利 ISO9001认证