No.483 Beijing Popularity Ranking No.150 Haidian District No.1 Jin Shu Re Processing No.1 Engineering Materials No.1 Gong Cheng Cai Liao Gong Ying No.2 Ji Shu Zhuan Yi No.2 Wu Ran Fang Zhi Engineering No.2 Cai Liao Ke Xue No.2 Ye Gold No.3 Ye Jin Kuang Chan No.3 Shen Processing No.3 Leng Ya No.3 Ye Gold Industrial No.4 Steel 国家高新技术企业 高新技术企业 瞪羚企业 中关村高新技术企业 省级高新技术企业 市级高新技术企业 ISO9001认证