Beijing Haidian District No.2 Low-voltage Engineering No.3 Testing Testers No.10 Smart Laboratory Office No.11 3D Printing No.12 Industrial 3D Printing No.15 Simulation Systems No.15 Zeng Materials Manufacturing No.18 Products Copies Nets Platforms No.20 Concrete No.20 Chemistry Compositing No.21 Product Quality Appraisal No.24 Refrigeration Engineering 外观设计专利 瞪羚企业 省级高新技术企业 市级高新技术企业 高新技术企业 国家专利 ISO9001认证