Want to import self drilling screw Iran

We are going to import self drilling screw with epdm washer for roofing solutions to Iran .

For first part , we needs to import 25 tons as below descriptions:
2 tons self drilling screw 14* 1
3 tons self drilling screw 14* 1 1/2
10 tons self drilling screw 14*2
5 tons self drilling screw 14*2 1/2
Please send us your best technical and commercial offers.
P.s: all screw shall be contained epdm and steel washer.