Guangzhou Tianhe District GuangdongNo.16 Communication Network OptimizationNo.20 Zheng Wu Xin InformatizationNo.27 Software Outsourcing Communication Technology Informatization Construction Software He Xin Nets IP Network Chuan Shu Nets IPRAN Wang Luo Jia Su科技型中小企业省级专精特新中小企业省软件企业省科技型中小企业高新技术企业省级高新技术企业