Maching Part 1)Material: stainless steel,copper... 2)Surface Treatment: de-burring 3)Reasonable price with superior service Maching Part, Lathe Parts1)Material: stainless steel,copper... 2)Surface Treatment: de-burring3)Reasonable price with superior service 4)2D&3D drawing or sample are welcomedNote:The picture just show our product scope and processing ability, not for sale, the patent rights ...