Changsha Changsha County Hunan Electrical Bei Dong Components Inductors Ling Accessories Electromechanical Equipment Power Systems Shipbuilding Electronics Transformers Electronics Appliances Power Electronics Equipment Gong Lv Inductors Switches Rectifiers Electromechanical 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 省科技型中小企业 省级创新型中小企业