Changsha Changsha County HunanNo.10 Frequency Conversion TechnologyNo.12 Hydraulics TechnologyNo.12 Hydraulics EngineeringNo.12 Ye Ya Chuan DongNo.25 Ye Jin Gong YiNo.52 Smart RobotsNo.56 Ji Qi Xue XiNo.57 Industrial RobotsNo.57 RoboticsNo.96 Law Firm/Legal Services Power Systems Industrial Intelligence Chemical高新技术企业科技型中小企业省科技型中小企业省级高新技术企业省级专精特新中小企业发明专利ISO9001认证