iethylene glycol dibenzoate is a new plasticizer in China. It widely used in PVC products as main plastizer the 1970's abroad. Our product of DEDB is developed with help from state-level experts. Our product Structure is same as abroad by infrared spectroscopy. The physical and chemical property reaches level of the foreign product of the same kind. It can replace the dioctyl phthalate and dibutyl ester. Its features include light color, good plasticized capacity, good compatibility , low release, good heat stability, good resistance to freeze , extraction, UV ray, oxidization and volatilization and good electrical performance. It is the cheapest new plasticizer in China.