... pre-pressing, extraction, refining, oil materials including cotton seed, sunflower seed, rape seed, soybean, palm, peanuts rice bran and so on ... and complete sets of equipment of maize germ, tea seeds and rice bran;5. Fractionation technology and complete sets ... oil2. Production techniques of linseed oil,safflower seed oil,tomato-seed oil, grape-seed oil and castorseed oil3. Refining fractionation and ...