Beijing Haidian DistrictNo.11 3D Land ImagesNo.16 She Ying Ce LiangNo.37 3D DataNo.90 Geographic Information Systems Geographic Information Engineering Yao Gan Jian Testing Operating Systems Export GIS Software Law Firm/Legal Services Big Data Informatization Construction国家科技进步奖科技进步奖高新技术企业科技型中小企业中关村高新技术企业省级高新技术企业