No.542 Shanghai Popularity Ranking No.2 Chongming District No.1 Ling Pai Fang No.1 Gu Ti Fei Qi Products Processing No.1 Shui Zhi Management No.2 Huan Jing Wu Ran Zhi Management No.2 Wu Ni Tuo Water No.3 Water Investment No.3 Wu Ran Zhi Management No.3 Water Treatment Engineering No.3 Waste Processing No.3 Shui Chu Li Wei Hu No.3 Fei Qi Zhi Management No.4 Environmental Protection Products 市级高新技术企业 高新技术企业 专利示范企业 市级专精特新中小企业 专精特新小巨人企业 省级高新技术企业