Questions about Oil Press(Plant)

1. What is percentage of oil left in meal after the solvent extraction.
     It is about 1~2%
2. What is the percentage of oil left in cake after Pressing
     It is about 6~8%
3. We are planning to build a oil plant. What should we prepare?
     If you want to build a oil plant:
     First to choose the oil seeds which is rich in your local or the oil is in your local with higher Marketing Value.
     Second, check how many tons oil seeds you plan to process each day.
     Third, choose the right supplier for the oil mills
     Forth, prepare enough Land area for the workshops building.
     Last, prepare enough capital for the oil Plant costs is ok.