No.90 Fengtai District Popularity Ranking Beijing No.2 Wen Chuang Products No.2 E-commerce Data No.3 E-commerce Systems No.3 COMBO No.4 Dian Shang Da Data No.6 Books Sales No.8 Jiao Materials No.9 Media Publishing No.9 E-commerce Services No.13 Distribution Channels No.18 Leasing No.18 Books 省级高新技术企业 市级高新技术企业