Chongqing Nan'an District No.17 Frequency Conversion Technology No.50 Dian Kong No.51 Generators No.54 Electric Vehicles Controllers No.63 Power Generation Equipment No.77 Auto Electronics No.90 Water Mirror Power Equipment Motors Engines Nei Ran Machines Electromechanical Systems 知识产权优势企业 市级知识产权优势企业 高新技术企业 科技型中小企业 省级专精特新中小企业 省级高新技术企业