No.325 Shapingba District Popularity Ranking Chongqing No.12 Papermaking Engineering No.12 Water Treatment Equipment No.18 Liu Ti Technology No.24 Petroleum No.27 Plain Oil No.28 Sewage Treatment No.36 Water Treatment Engineering No.36 Shui Chu Li Wei Hu No.38 Water Treatment No.38 Water Treatment Technology No.46 Petrochemicals No.47 Environmental Protection Products 名牌产品 国家高新技术企业 高新技术企业 科技型中小企业 专精特新小巨人企业 国家知识产权优势企业 省级高新技术企业 市级高新技术企业 市科技型中小企业 国家专利 省科技型中小企业 著名商标 市著名商标