No.138 Changsha Popularity Ranking No.61 Changsha County No.201 Hunan No.1 Communication Systems No.3 Zhuang Pei No.7 Yi Qi / Instruments No.8 Construction Machinery No.8 Machinery Engineering No.8 Zhong Engineering No.9 Zhuan Yong Equipment No.10 Communication Technology No.11 Products Copies Nets No.13 Equipment Manufacturing No.13 Machinery No.17 Electromechanical Equipment 国家高新技术企业 高新技术企业 科技型中小企业 专精特新小巨人企业 省科技型中小企业 省级高新技术企业