No.39 Xiacheng District Popularity Ranking Hangzhou Zhejiang No.4 Security Engineering No.10 Dian Zi Yu Intelligence Chemical Engineering No.27 Communication No.28 Communication Engineering No.32 Construction Intelligence Chemical No.33 An Fang Wei Hu No.33 Xin Xi Xi Tong Ji Cheng No.47 Security Electronics No.55 Security Technology No.70 Systems Engineering No.81 IT Services No.85 Security 高新技术企业 省级高新技术企业 科技型中小企业 省科技型中小企业 市级创新型中小企业 ISO9001认证 通信工程施工总承包 电子与智能化工程专业承包