Enquiry for Truck Spare Parts to buy / Turkiye

I have requirement to buy several SPARE PARTS for VOLVO and MAN. I would like to whom I have to talk in your company about that issue.
Volvo parts:
1. Brake shoe
2. Brake band
3. Brake drum
4. Axle spring
5. Servicing kit
6. Air balloon
7. Gear box seal
8. V bar
9. Clutch booster
10. Spring leaf
Man Diesel:
1. Gear lever cable
2. Double clutch Disc
3. Radiator Tank.
4. Axle spring
5. Brake drum 7"