No.305 Yuelu District Popularity Ranking Changsha Hunan No.5 Data Center No.12 Labor Services Outsourcing No.22 Gong Gong Safety No.23 Services Outsourcing No.28 Information Safety No.32 IT Services No.36 Hardware No.38 Enterprise Services No.42 System Integration No.47 Yun Wei No.55 Big Data No.64 Informatization Construction 科技型中小企业 企业技术中心 省科技型中小企业 高新技术企业 省级高新技术企业 省级专精特新中小企业