Chongqing Yubei District No.19 Communication Equipment No.33 Telecom No.36 Equipment Sales No.37 Communication Engineering No.37 Communication No.48 Electronics Engineering No.71 Xin Xi Xi Tong Ji Cheng Systems Engineering System Integration Communication Technology Software Communication Engineering Design 高新技术企业 省级高新技术企业 市级创新型中小企业 市级高新技术企业 计算机信息系统集成资质