No.421 Shenzhen Popularity Ranking No.171 Nanshan District No.941 Guangdong No.1 Fei Water Treatment No.1 Zhong Shui Hui Yong No.2 Shui Wu Ji Chu Facilities No.2 Water Services No.2 Water Supply No.2 Water Management No.2 City Water Supply No.2 Water Investment No.2 Water Engineering No.2 Shui Zi Yuan No.3 Water Construction No.3 Water Safety 高新技术企业 省级高新技术企业 市级高新技术企业