No.78 Changping District Popularity Ranking Beijing No.3 Molds Technology No.3 Da Yin Ji / Copiers No.3 Casting No.4 Molds No.4 Laser Devices No.5 3D Printing No.5 Gong Yi Design No.5 Molds Manufacturing No.6 Titanium No.6 Zeng Materials Manufacturing No.6 Equipment R&D No.6 Industrial 3D Printing 中关村高新技术企业 高新技术企业 瞪羚企业 国家知识产权优势企业 省级高新技术企业 市级高新技术企业