Conveyor rolls

Hello We are connecting from Georgia, I am a manager of xxxxxxxxx” LTD, we are one of the biggest manufacturefactory in Georgia, our works you can see in our website: www.xxxxxxxxx.com. We are interested in to buy conveyors parts namely:
1) Conveyors rubber, which’s width have to be 75-80 sm; thickness 3 layer, price of 1 roller.
2) Conveyors rolls, price of one rolls;
3) And conveyor price of one 1 conveyor.
4) Also please inform me how long rubber we need for Conveyor.
5) And how man