Plaster of paris from Turkey

plaster
Dear Sirs,
We are very much interested to be supplied from Turkey with such plasters as Siva, Saten, Siva for machine processing, plaster of Paris on the terms FOB port of Turkey.
The annual volume is planned at least 10 000 metric tons. We would prefer to establish long-term relations and conclude accordingly a long-term contract.
Thank you for your reply.