How Does a Waste Water Treatment Plant Work?
A wastewater treatment plant cleans sewage and water so that they can be returned to the environment. These plants remove solids and pollutants, break down organic matter and restore the oxygen content of treated water. They achieve these results through
2019-nCoV China Refueling
WHO is working closely with global experts, governments, and partners to rapidly expand scientific knowledge on this new virus, to track the spread and virulence of the virus, and to provide advice to countries and individuals on measures to protect healt
2020 Spring Festival Holiday Notice
Thank you very much for your support to our company in the past year. Due to the Spring Festival holiday, all employees of our company will have a holiday.