... , the machine is suitable for extracting vegetable oils from such oil-bearing materials, as rapeseed, peanuts, sesame seed, cotton seed, soyabeans ... seeds, palm kernel, sunflower seeds, even rice bran.main features:01. all such main parts, alex, pressing screw, cage bars, gears ... made of high-grade alloy steel through hardening treatment. Screw Oil Expeller,oil press, oil milling machine, oil mill