Zouping County Tianxing Chemical Industry Co., Ltd. is located Handian Industrial Zone, Zouping, Shandong China. It can produce castor oil of Grade I and II, Sebacic Acid and 12-hydroxy stearate Acid with castor seeds and has its own import and export right as the largest castor oil enterprise in China, an administrative director of China Castor Association and Shandong Hi-tech enterprise.

Its castor oil product of series can be used in many industries, including engineering plastics, nylon , ...