No.189 Nanjing Popularity Ranking No.16 Xuanwu District No.912 Jiangsu No.1 Navigation Systems No.1 Navigation No.1 Xin Xi Hua Jie Jue Solutions No.1 Smart Navigation No.2 Dian Zi Yu Intelligence Chemical Engineering No.2 Chan Ye Yan Jiu No.2 Dian Zi Yu Intelligence Chemical No.3 Hang Ye Xin Informatization No.3 Social No.3 Telecom No.3 Construction Intelligence Chemical No.4 Communication Engineering 企业技术中心 副理事长单位 专精特新小巨人企业 高新技术企业 省级专精特新中小企业 省级高新技术企业 CMMI5级认证 建筑智能化系统设计资质 电子与智能化工程专业承包