1.Introduction: (1) Purpose :Oil refining is according to the different usage and requirements, utilizing physical methods chemical processes get rid of harmful impurities needless substance in crude oil, getting standard oil. It suitable for various vegetable such as sunflower seed tea ...

Yongle company, Founded in 1967, formerly belongs to the state collective enterprise of Xiuwu Machinery Factory, and was changed Grain Oil Co., Ltd (mainly manufacturing flour mill, oil processing machine,Household waste disposal equipment ) 1994. At 2014, company registered ...