Changsha Changsha County Hunan No.11 Construction Energy Saving No.18 Gong Cheng Jian Testing No.29 Di Ji Ji Chu Engineering No.30 Engineering Detection No.31 Inspection Detection No.32 Di Ji Ji Chu No.33 Jie Neng Jian Pai No.34 Quality Certification No.36 Mu Qiang Partitions No.37 Vocational Healthy No.38 Shi Zheng Gong Yong Engineering Design No.40 Mu Qiang 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 ISO9001认证