Shenzhen Longgang District Guangdong No.19 Forging No.20 Metal Forging No.27 Smart Perception No.35 Security Surveillance Systems No.47 Safety Solutions No.49 Security Systems No.69 Video Surveillance Systems No.83 Smart Security No.89 Video Security Surveillance Monitoring Systems Surveillance Systems Plain Materials 国家高新技术企业 高新技术企业 科技型中小企业 市科技型中小企业 省级高新技术企业 市级高新技术企业