hand oil presses 1.High oil output rate 2.Corrosion resistance 3.Power saving 4 hand oil presses sale hand oil presses Raw materialsof pretreatment involved:Suitable for extracting oil from different oil-material, such as peanuts, rapeseeds, sesame seeds, soybean, cottonseeds, tea seed, tung tree seeds, sunflowe 2013 groundnut screw Oil Seed Expellers r seeds, palm seeds, olive, coconut meat, ...