No.207 Nanjing Popularity Ranking No.13 Luhe District No.975 Jiangsu No.1 Environment Perception No.1 Chan Xue Yan No.1 Huan Jing Ke Xue No.1 Chan Xue Yan Cooperation No.2 Engineering Technology Services No.3 Wu Ran Control No.3 Ke Chi Xu Fa Zhan No.4 Environment Technology No.5 Planning Design No.5 Environment Management No.6 Jie Neng Jian Pai No.8 Research Institute 科技型中小企业 省科技型中小企业 高新技术企业 省级高新技术企业 市级创新型中小企业 国家知识产权示范企业