Technical staff of the Shenyang Ecological Environment Bureau install a 24-hour water automatic detection sampling system in the Shenyang Economic and Technological Development Zone on June 5. [Photo/chinanews.com]
A 24-hour water automatic detection sampling system is installed at a waste water discharge outlet of an enterprise in the Shenyang Economic and Technological Development Zone on June 5. [Photo/chinanews.com]
An official of the Shenyang Ecological Environment Bureau introduces a 24-hour water automatic detection sampling system to enterprise representatives in the Shenyang Economic and Technological Development Zone on June 5. [Photo/chinanews.com]