No.441 Honggutan District Popularity Ranking Nanchang Jiangxi No.12 Water Treatment Engineering No.13 Water Treatment Technology No.13 Shui Chu Li Wei Hu No.18 Water Treatment No.18 Sewage Treatment No.22 Environmental Protection Products No.23 Huan Bao Gong Cheng Zhuan Ye Cheng Bag No.30 Environmental Engineering Technology No.33 Environmental Technology No.34 Drainage No.40 Water No.42 Energy Saving and Environmental Protection 高新技术企业 科技型中小企业 省级专精特新中小企业 省级高新技术企业 省科技型中小企业 国家高新技术企业 ISO9001认证 ISO45001认证 ISO14001认证