No.120 Beijing Popularity Ranking No.48 Haidian District No.1 Zhi Neng Jie Jue Solutions No.2 Che Gui Ji No.2 Lei Da Technology No.2 Security Electronics No.2 Security Technology No.2 All-in-one PCs Office Equipment No.2 Mo Group No.3 Security No.3 Smart Algorithms No.3 Automobile Chips No.3 Automobile Communication No.3 Lei Da 长城杯 瞪羚企业 独角兽企业 知识产权示范企业 市级知识产权示范企业 知识产权试点企业 ISO9001认证