No.300 Yizhuang Development Zone Popularity Ranking Beijing No.3 Zuo Biao Ce Liang No.3 Biao Mian Tie Apparel Technology No.3 Tie Sheet Processing No.4 Circuit Boards No.4 Computer Circuit Boards No.5 EMS No.5 Can Shu Testing Instruments No.5 Medical Electronics No.6 Testers No.6 Boards Cards No.9 Testing Instruments No.11 Electronics Manufacturing 高新技术企业 理事单位 瞪羚企业 企业技术中心 中关村高新技术企业 省级高新技术企业