Hi Chica!
The name for an olive oil factory in Spanish language is "almazara" or "molino de aceite".
So once again I used google and I found this for you.
Understanding olive oil tour in Mora (Toledo) Visitor\'s comments from a blog Valderrama Oil Company in La Pueblanueva (Toledo) You are lucky, now it is harvest time for the olives. So you will see the factories at real work. It is quite interesting.
Olive oil called the green gold is a healthy product that reduces bad colesterol and is essential for all the Mediterranean cuisines.
Spain is by far the world largest producer of olive oil, twice as Italy, three times more than Greece.
This is a sacred tree for christians and other religions, remember Jesus at the Mount of the Olives, the olive branch brought to Noah by a dove, etc.
The olive trees native from the middle east, were introduced into Spain by the Romans 2000 years ago. During the Roman domination of Spain, olive oil was exported to Italy by ship masively.
The Spanish settlers took the olive trees to America.