Looking for Nails suppliers for USA market

***** (*****, in short) is the biggest importer and distributor of building and construction material with annual sales turnover over USD 1.5 billion.
We import full loads of containers to 35 DCs across the USA.
We try to look for more overseas sourcing opportunities for the below listed product groups.
Nail
Screws
Threaded Rod
Do you manufacture and export these products to the North American market?
Are you interested in supplying those items to our company?
Upon interest, pls