Sawn granite importing request Russia

we are looking for a supplier of sawn granite paving stones Gabbro(heat treatment) /or Buchard (dark gray, black) size 200 ( 1) x200 ( 1) x80 ( 3) . Order volume 3000 sq. meters. The beginning of shipments from November of this year, the full implementation of the order within 2-3 months. Specify whether there is enough time for you to complete the order in case of receiving the necessary prepayment. Work under the contract on the terms of Incoterms 2020: FCA/FAS/FOB, we organize logistics