Shandong Dongda Chemical Industry Company is a state large sized (1) enterprise in P.R.China with history of 40 years. Over the recent years, Dongda group has been taking the science and technology as the guideline.We lay stress on turnover of capacity and economic scope, it was listed of China's the biggest 500 chemical industry enterprise, and it was certificated by ISO9001:2000.The main product are Ion Exchange resin竊�VB竊�olyols竊�O竊�opper Pyrophosphate竊�odium Benzoate,etc.