No.280Nan'an District Popularity Ranking ChongqingNo.14 Ke Shi ChemicalNo.29 Data ProcessingNo.32 An Fang Wei HuNo.41 Security TechnologyNo.55 Gong Gong SafetyNo.56 EmergencyNo.64 Data ServicesNo.68 Safety ManagementNo.70 Systems EngineeringNo.70 Environmental TechnologyNo.74 SecurityNo.87 System Integration理事单位科技型中小企业市科技型中小企业高新技术企业省级高新技术企业市级高新技术企业