No.473 Yuelu District Popularity Ranking Changsha Hunan No.6 Databases No.12 Geographic Information No.12 Information Safety Management No.16 Geographic Information Engineering No.20 Data Processing No.25 Xin Xi Xi Tong Ji Cheng No.41 Gong Gong Safety No.46 Systems Engineering No.48 Information Safety No.56 IT Services No.62 System Integration No.86 Big Data 省优秀软件企业 高新技术企业 科技型中小企业 省级专精特新中小企业 专精特新小巨人企业 省软件企业 ISO9001认证 ISO27001认证 CMMI3级认证