Water quality 100% qualified for 6 years
The workers are installing new water supplying pipes in Banan District, Chongqing.
CHONGQING (CQNEWS) -- Banan District in Chongqing carried out a reform to the 40-kilometre old water supplying pipes in Yudong urban area, with the ductile cast iron pipes instead of normal cast iron pipes. Both water quality and safety significantly increased after the reform. (Translated by Liu Wei, Fathom Language Limited