There were 4 pump stations around 2010 Shanghai World Expo Pudong Park and all these pump stations use our equipments. After the stations established, various drains system underground and the ancillary facilities will make the road clean in the rainy day. They also prevent the sewage from flowing into Huangpu River and collect the rainwater for watering the greenbelt. Reuse and other new processes will present the maximum level of Shanghai.