中文
INNOVATIVE TECHNOLOGY

Technical Innovation

Dali Erhai Lake Water Environment Management PPP Project |
Project generalization
The project involved6 high-standard underground WWTPs, 234 km long trunk sewer lines, 10 pumping stations, and integrated rural wastewater treatment system, etc.
Project characteristics

1. The project innovatively proposed the “sponge farmland” system, reducing 20 million tons of water pumped from the Erhai Lake every year.
2. The project saved approx.RMB 610 million of investment and shortened the construction period by approx.6 months.


1.During an inspection tour to Dali

Yunnan province in January 2015

General Secretary Xi Jinping had a photo taken with local officials by the Erhai Lake

and said “I'll keep it