Shenzhen Longgang District Guangdong No.2 Computer Services No.9 Electrical Automation No.20 Video Surveillance Systems No.22 Video Surveillance No.22 Video Security Surveillance No.27 Monitoring Systems No.44 Surveillance Systems No.58 Security Surveillance No.95 Lighting Security 省级高新技术企业 市级高新技术企业 科技型中小企业 市科技型中小企业 高新技术企业 市级创新型中小企业