Changsha Tianxin District Hunan No.19 Automobile Communication No.19 Smart Construction No.20 Qi Che Xin Informatization No.22 An Quan Fang Hu No.25 Automobile Intelligence Chemical No.27 Internet of Vehicles No.62 Smart Transportation No.66 Cheng Shi Xin Informatization No.99 Security Technology Zhi Hui Cheng Shi Security Big Data 高新技术企业 科技型中小企业 省级专精特新中小企业 专精特新小巨人企业 省级高新技术企业 省软件企业 省科技型中小企业 省级创新型中小企业