Sample refining equipment has three functions: dehydration, dephosphorization and deacidification, which can effectively remove water and phospholipids and harmful substances in oil, reduce the possibility of oleic acid failure, and prolong the storage time. Sample refining equipment has carbon steel and food grade stainless steel two materials, which can be selected according to the demand. After production, wooden box packaging is delivered to customers by sea, air and other ways.