Chongqing Yubei DistrictNo.17 Heat ExchangersNo.20 Qi Che Zhong KongNo.21 Ya Li Pipes RoadNo.21 Vehicle-mounted TerminalsNo.23 Filtration TechnologyNo.24 CompressorsNo.26 Chemicals EquipmentNo.31 Ya Li Rong DevicesNo.47 Non-standard Automation EquipmentNo.49 Structural Parts Equipment Manufacturing Special Equipment科技型中小企业省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市科技型中小企业高新技术企业