Changsha Yuhua District HunanNo.20 CommunicationNo.22 Communication EngineeringNo.24 Construction Intelligence ChemicalNo.35 Cheng Shi Xin InformatizationNo.46 Xin Xi Xi Tong Ji ChengNo.89 Systems Engineering Zhi Hui Cheng Shi Yi Qi / Instruments System Integration Communication Technology Products Copies Nets Intelligent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ISO14001认证OHSAS18001认证电力工程施工总承包机电工程施工总承包电子与智能化工程专业承包钢结构工程专业承包城市及道路照明工程专业承包施工劳务资质