No.362 Changsha County Popularity Ranking Changsha Hunan No.5 Da Qi Zhi Management No.7 Huan Bao Gong Cheng Zhuan Ye Cheng Bag No.8 Waste Processing No.8 Cheng Shi Gu Ti Fei Qi Products Processing No.8 Wu Ran Zhi Management No.9 Wu Ran Control No.9 Vocational Healthy No.10 Water Treatment Engineering No.10 La Ji Processing No.10 Tu Rang Xiu Fu No.11 Water Treatment Technology No.11 Shui Chu Li Wei Hu 副理事长单位 理事长单位 省级高新技术企业 高新技术企业 国家知识产权优势企业 发明专利 实用新型专利 ISO14001认证 市政公用工程施工总承包 环保工程专业承包