1. The oil contained cells would be destroyed thorough after the raw material is extruded. Then the oil will come out, and the harmful material will be purified.
2. The oil material will be looser and will have many air circles, with high strength, which can make the solvent extract to the fullest.
3. High temperature, high pressure, shorter technology,it is good for the remaining of the nutritional element in the oil material. At the same time, less pollution, less energy consumed.
4. Key parts such as screw,drum are made of high abrasion resistant material, long using life.