No.14 Wangcheng District Popularity Ranking Changsha Hunan No.11 Testing Instruments No.11 Ce Kong No.14 Testing Instruments No.18 Nei Ran Machines No.32 Sensors No.56 Yi Qi / Instruments No.66 Dong Li Zong Cheng No.70 Zhong Engineering No.86 Zhuan Yong Equipment Electromechanical Equipment Manufacturing Machinery 省技术创新示范企业 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 省级专精特新中小企业 国家专利 省级创新型中小企业