No.198 Yubei District Popularity Ranking Chongqing No.2 Cleaning No.2 Lv Hua Yang Hu No.4 Feng Jing Landscaping No.4 Huan Wei No.5 Vocational Healthy No.5 Qing Jie No.6 Zi Yuan Hua Li Yong No.7 Environment Technology No.7 Greening Engineering No.12 Environmental Engineering No.12 Landscaping Greening No.18 Environment Management AAA级信用企业 理事单位 高新技术企业 省软件企业 国家知识产权优势企业 省级高新技术企业 ISO9001认证 ISO14001认证