Liaocheng Yongxing Environmental Science and Technology Co, Ltd was founded in 2001.It is located in Liaocheng City Shandong Province China. We are a high technological company which is a collection of scientific research, production, sales and service. We are a specialized company of producing polyacrylamide ，flocculant, Polyaluminimum chloride(PAC). We also have the ability of producing PAM with the feature of anion, cation and zwitterion. Our products are used in mining, coal washing, petrole...