For attached Stamping parts Material :carbon steel Coating: zinc coating Can according customer's drawing to make ! Hongtuo Manufacturing capabilities(OEM and custom Engineered Components Specialist)1.Material:Carbon steel (Hot rolled ,cold rolled,strip steel ) stainless steel .etc2.Processig can be provide : stamping,bending ,welding ,threading ,frinding ,milling ,machining ,lathe ,assembing,etc ...