Established in 2002, Liaocheng Yongxing Environmental Protection Material Co, ltd, is a manufacturer and trader specialized in research, development and production of polyacrylamide. Shandong Liaocheng Yongxing Environmental Protection Material Co., Ltd is a located in the scenic JIANGBEI WATER CITY - Liaocheng City, Shandong Province, with convenient transportation access. We have the ability of producing PAM with the feature of anion, cation and zwitterion and other oil feild accessory ingredients. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.