Changsha Yuelu District Hunan No.20 Dian Zi Yu Intelligence Chemical Engineering No.27 Construction Intelligence Chemical No.32 An Fang Wei Hu No.36 Security Electronics No.39 Cheng Shi Xin Informatization No.41 Smart Transportation No.53 Xin Xi Xi Tong Ji Cheng No.55 Security Technology No.62 Safety Technology No.91 Hardware Systems Engineering Security 双软认证 科技型中小企业 省科技型中小企业 高新技术企业 省级高新技术企业 ISO9001认证 计算机信息系统集成资质 计算机信息系统集成三级资质