No.38 Tianxin District Popularity Ranking Changsha Hunan No.1 Zong He Cloths Lines No.1 Video Surveillance Systems No.1 Video Surveillance No.2 Automobile Communication No.2 Access Control Systems No.2 Qi Che Xin Informatization No.3 Internet of Vehicles No.3 Dian Zi Yu Intelligence Chemical Engineering No.3 Automobile Intelligence Chemical No.4 Shu Zi Jing Ji No.4 Communication No.5 ERP 高新技术企业 科技型中小企业 省级高新技术企业 省科技型中小企业 省级创新型中小企业 国家高新技术企业 电子与智能化工程专业承包 安全生产许可证