... equipments including extrusion head, heating ring, fixing collar, oil filter, fry pan, automatic feeding machine, and so on ... technology and excellent after-sale service. This machine is introduced in 1996 by our company. And ... the traditional equipments, the rate can be 2-3% higher, and it can press 1-3kg ... heating ring Wide Application Oil Machine(for soybean, peanut, sunflower, linseeds,etc.)