I periodically get these emails and I am not sure what I should do about them

Respected Sir/Mam!

We feel pleasure to Introduce ourselves as one of the importers of rubber hose here in Pakistan. We buy surplus hoses and stock-lots from all over the world. We can buy these stocks in any quantity. So if you have surplus hoses and stock-lots with special offer price then do let us know.

Waiting for your immediate response

Thanks. 

[Name and Company name redacted]

I guess they haven't seen Welcome Back Kotter in Pakistan.