Belts for the elevators

please let me know if you are able to supplying me stuff below for grain silo
1- Supplying cylinder roller (different types for both Sides and lower) according to new belt's width which is 70cm . the requested parts of cylinders is 300 ( three hundred)
2- Supplying big cylinder rollers ( 150 unit)
3- Supplying big cylinder rollers at the begin and end edge ( 6 units)