Shandong Tongli Chemical Co., Ltd., founded in 1991, is located in Huantai County of Zibo City in Shandong Province. Our company enjoys convenient transportation. Our company passed ISO9000 quality management system authentication in October, 2002. We built Shandong Tongli Chemical Co., Ltd. in December, 2007. Main products include polyacrylamide, acrylamide, water treatment agent and other products. Products are widely used in oil field drilling, paper making, sewage treatment and other ...