Seeding and harvesting machines

I am a consultant to a large agricultural company in Egypt.
we will expand in saudi arabia. pls send me a detailed offer
includes prices for the following equipments:
1- 50-60 hectares center pivotes.
2- seeding and harvesting machines for alfalfa,onion ,wheat and potato.
3- tillage equipments,mixer feeders and tractors.
4- silos for grains and store-house for fertilizers.