... factory 2.press:5T-125T,250T,315T 3.in-house tooling design 4.welding,assembling,surface treatment ... Welding parts Welding features: 1.Materials --Any metal such as stainless steel,carbon steel,brass,copper, ... blastng. Our factory ,is a professional manufacturer of metal stamping parts, deep drawn stamping parts, stamping parts ... we will offer you a competitive price ! sheet metal welding assembly part