No.133 Changsha Popularity Ranking No.58 Changsha County No.192 Hunan No.1 Rubber Industrial No.1 Industrial Safety No.1 Surveillance Systems No.2 Dian Qi Gao Di Ya Complete Set No.2 Electricity Sales No.2 Dian Qi She Bei Yong Dian Lan / Lines Cable No.2 Dian Xian / Cables No.2 Power Sales No.2 Electromechanical Products No.3 Power Construction No.5 Electromechanical Systems No.5 Power Grid 高新技术企业 省级高新技术企业 国家知识产权优势企业 发明专利 省级知识产权优势企业 国家专利