Changsha Changsha County HunanNo.24 Shu Zhi ChemicalNo.32 Smart Engineering FactoryNo.41 Industrial 4.0No.50 Gong Ye Hu Copies NetsNo.65 Smart Engineering FactoryNo.85 Systems Engineering IT Services System Integration Yun Wei Smart Systems Industrial Intelligence Chemical Informatization Construction高新技术企业省级专精特新中小企业企业技术中心专精特新小巨人企业省级高新技术企业省级创新型中小企业科技型中小企业省科技型中小企业