Shandong Dongda Inov Polyurethane Co., Ltd. was established in December 2003, and is located in High-tech Innovation Center Development Area, Zibo, China. We were classified as a High-tech Enterprise in October 2004 by Department of Science and Technology of Shandong Province. Supported by Donga Chemical for 20 years' polyurethane research and development and market advantage, we have the first class research team and sales team of China to provide professional polyurethane suppliers with ...