No.48 Furong District Popularity Ranking Changsha Hunan No.2 Industrial Construction No.4 Engineering Surveying and Mapping No.4 Yan Tu Gong Cheng She Ji Shi Engineering No.5 Gong Cheng Ce Liang No.6 Yan Tu Engineering No.6 Engineering Survey Design No.6 Surveying and Mapping No.6 Bridge Beam Engineering No.6 Design Consulting No.6 Construction Design Consulting No.9 Kan Testing Design No.9 Road Road and Bridge Beam 科技型中小企业 省科技型中小企业 高新技术企业 省级高新技术企业 实用新型专利