Physical press

Generally small oil mill, the principle is to use stone, wood, metal and other equipment to oil in the  Oil machine  out, also called physical squeeze, so pressed oil is currently the most safe, nutritious edible oil. In industrially developed in Ningbo, Zhejiang Fenghua has a remote town Dayan, Director Alaska oil mill village home, the village will annually planted rapeseed, through the cleaning, washing, cool sprinkle sun, fry, crushing series of processes Finally squeeze fragrant rapeseed oil, the entire oil mill was filled with the aroma for the local villagers and city people eat, some people will have to drive into town Alaskan  oil expeller  to buy oil, map is fresh, rest assured. The remaining oil was drained called rapeseed oil cake, which is on a good natural organic fertilizer and feed, widely used in agricultural production. While another edible oil processing method called leaching, it was with a light gasoline or other liquid to soak out the compound, such as tea in general, it is not called oil mill matter, but industrial production, and this method is generally used by large enterprises.