Where to sell my catalytic converter

[m.altimimy]

Hello,

I am new to this cats business, and located in the middle eat. I what to get the best price and service for my cats.

I can supply 200Kg+ a month of honey comb monolith or 400+ cats, of various types lexus toyota bmws benz etc.

May you advice, to whom shoud I sell to
Majed