Changsha Changsha County Hunan No.9 Huan Jing Ying Xiang Ping Jia No.11 Qing Jie Technology No.14 Water Supply and Drainage Engineering No.14 Shui Zhi Management No.14 Water Supply and Drainage Design No.15 Water Supply and Drainage No.27 Drainage Systems No.30 Environmental Engineering Technology No.35 Water Treatment No.35 Huan Bao Gong Cheng Shi Engineering No.38 Environmental Engineering Design No.40 Sheng Tai Bao Hu Gong Cheng Shi Engineering 科技型中小企业 省级高新技术企业 省科技型中小企业 高新技术企业 省级专精特新中小企业 省级创新型中小企业