No.338 Changsha Popularity Ranking No.81 Yuelu District No.511 Hunan No.1 Decoration Materials No.2 Mu Qiang Engineering No.2 Jian Zhu Mu Qiang No.2 Quality Control No.2 Jian Zhu Mu Qiang Engineering No.2 Gong Cheng Jian Testing No.2 Wood No.2 Construction Energy Saving No.3 Testing Center No.3 Concrete No.3 Inspection Detection No.3 Yan Tu Gong Cheng She Ji Shi Engineering 国家科技进步奖 高新技术企业 科技型中小企业 绿色工厂 省级高新技术企业 省科技型中小企业