No.246Jiading District Popularity Ranking ShanghaiNo.3 Ren Zheng Ren KeNo.3 Laboratory CertificationNo.5 Product CertificationNo.5 An Quan Jian ChaNo.8 Testing Laboratory OfficeNo.8 Zhi Liang Jian DuNo.11 Big Data SafetyNo.14 Inspection DetectionNo.17 Testing and CertificationNo.20 Jian Ce Ji GouNo.23 Quality CertificationNo.30 Testing Technology理事单位高新技术企业省级创新型中小企业市级创新型中小企业专利示范企业省级高新技术企业CNAS认证3C认证