No.4Nanchuan District Popularity Ranking ChongqingNo.4 Modules Chemical DesignNo.5 Compositing MaterialsNo.6 Te Zhong Xian Wei Ji Fu He MaterialsNo.7 Composite MaterialsNo.7 Lun WangNo.9 Lun GuNo.12 Qing Quantitative TechnologyNo.12 Qing QuantitativeNo.15 Jie Neng Jian PaiNo.15 Materials R&DNo.16 Materials Technology Auto Parts企业技术中心知识产权优势企业国家高新技术企业市级知识产权优势企业高新技术企业发明专利IATF16949认证