to lich river

Test of cleaning by Japanese technology: To Lich River water has less smell, environmental index changes positively
On the morning of May 20, quick test of the water sample of To Lich River, the phase of testing by Japanese technology showed that the alkalinity index and dissolved oxygen had
Start the To Lich river cleaning project with Japanese technology
Compact aerators such as water treatment plants are submerged in the river with a promise of only 3 days will make a difference.
Clean water of To Lich river with chemicals
Research Institute for Rural Development Assistance (IRARD) on 24/8 proposed Hanoi City People's Committee to pilot the use of chemicals to clean up water in the To Lich River.