... price,welcome to contact me ! Tube fittings,air brake fitting:• Produce:According drawings ,samples and accurate size. • Materials:Iron, Carbon ... Steel, aluminum, stainless steel,brass and etc. • Machine and Technics:Precision CNC lathe, punch, friction press, milling ... 7309Sky.: hong175595 Fitting also call adaptor,nipple,coupling,connector Tube fittings air brake fitting