trade@chinacoalintl.com
The underground parking lot belongs to a closed environment and the exhaust gas is not easy to be discharged, which harms human health. Therefore, the underground garage and parking lot should be equi
Carbon monoxide can harm our human health. If carbon monoxide poisoning is harmful, it will lead to death. So remind everyone to use gas safely. Comrades working in the factory should also pay attenti
© Shandong China Coal Group. © 2017
Address: No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
sales@chinacoalintl.com
Executive Editor: Zhang Wen / Editor: Linda Zhang