Tahini Machine

Would you please answer my here follows two Questions .
which will lead to Buy Machines from your company .

1- Can I Produce Tahini Out of Halted and roasted ready Sesame ??
2- Is it possible to Buy the Halted and roasted Sesame seeds from Turkey and how much roughly is the metric Ton cost.??
3- Which Tahini Press do you suggest for me to start small scale Tahini production??