No.10 Pinggu District Popularity Ranking Beijing No.2 Generators No.3 Han Machines No.3 Ce Kong Systems No.3 Printing Circuit Boards No.3 Electronics Measuring Instruments No.3 Embedded Systems No.4 Industrial Computers No.5 Liang Instruments No.6 Measuring Instruments No.6 Ce Kong Devices No.6 Shu Ju Cai Ji Devices No.8 Ultrasound 科技型中小企业 市科技型中小企业 市级创新型中小企业 ISO9001认证 GJB9001B GJB9001