1.Representatives in the realms of water works, sewage treatment plants/station, water purification factory, water purification users;
2.Units engaging in electricity, oil refinery, steel, mine industry, medical units, petrochemical industry, pharmacy, foods, etc;
3.Dealers, agents and suppliers of waterworks industry;
4.Water authority, hydrology & water resources bureau, municipal engineering, municipal engineering design, water group, environmental protection bureau, water conservancy bureau, lake protection, hydrological monitoring center, water health supervision bureau, etc.;
5.Water conservancy stations, water conservancy engineering, water conservancy development, sponge city leaders, industry associates, media, etc.