No.187Yubei District Popularity Ranking ChongqingNo.3 Gong Ye Cheng ImagesNo.10 Ji Qi Shi JueNo.10 Quality CertificationNo.10 Testing TechnologyNo.13 Zi Zhu Ke KongNo.21 Zhi Hui Cheng ShiNo.21 Smart HardwareNo.22 Guo Chan ChemicalNo.24 SensorsNo.27 Smart SystemsNo.29 Law Firm/Legal ServicesNo.49 Optics企业技术中心高新技术企业科技型中小企业市级专精特新中小企业省级高新技术企业市级高新技术企业ISO9001认证