Nanchang High-tech Zone Jiangxi Processes Automation Electromechanical Engineering Frequency Conversion Technology Metrology Management Liang Instruments Automation Technology Fen San Control Systems Ke Bian Cheng Luo Ji Ke Bian Engineering Controllers Industrial Control Electromechanical Automation 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