Tongliao Weining Chemical Co., Ltd. was established in April 2006. It is an old enterprise with a history of nearly 50 years of production and processing of castor oil series products-Tongliao Grease Chemical Factory has been integrated many times. Its predecessor was Tongliao Comst Petrochemical Co., Ltd. The company is located in Tonghua Castor Chemical Group Hospital, East Section of Mingren Street, Tongliao City. It mainly produces and operates sebacic acid, disodium sebacate, dipotassium sebacate, dibutyl sebacate, dioctyl sebacate, 12 -Dimethyl hydroxystearate, 1 # castor oil, medicinal castor oil, cold pressed castor oil, oxidized castor oil, PP grade castor oil, EC-polyol, modified hydrogenated castor oil, dehydrated castor oil, castor oil Fatty acid, dehydrated castor oil fatty acid and other castor oil series products and their derivatives. The company currently has 122 formal employees, including 22 engineering and technical personnel. It has strong technical force and is equipped with advanced multi-functional laboratories and their testing equipment. The advanced testing methods have laid a good foundation for the company's innovative development. Two of the company's existing products have been applied for and obtained national patents. The company has set "developing high-tech products with independent intellectual property rights and building innovative enterprises" as its development strategy goal. In addition, the company is willing to work with friends from all walks of life to develop new projects and serve the customers wholeheartedly in the spirit of open development.