clean river bowl calendar

Japanese experts take into account the method in the rainy season, when discharging West Lake water is not allowed to drift to the result of piloting to clean To Lich river.

After more than a month of piloting, in addition to the ability to handle odors, Japan's nano-bioreactor technology also brought significant changes to To Lich River, Hanoi.

After a week of putting the waste treatment machine into the river, the water of To Lich river was clearer and the odor was reduced significantly.