Beijing Chaoyang DistrictNo.21 Hang Kong She Ying Ce LiangNo.22 ForestryNo.23 Zhi Hui SystemsNo.23 Surveying and Mapping Land Management InformationNo.27 3D DataNo.28 Space InformationNo.51 Zi Zhu NavigationNo.58 Remote Sensing TechnologyNo.70 Geographic InformationNo.77 Remote SensingNo.81 Geographic Information EngineeringNo.82 Geology高新技术企业科技型中小企业知识产权试点企业中关村高新技术企业市科技型中小企业省级高新技术企业