Our company develops wheelchair accessories. For our product we need an aluminum back part 309 - see drawing attached. Could you please provide quote for 250 parts. There is also a small leaser cut part 307 from mild steel- 500 pcs. Please quote it also. All our parts require black oxide coating or black anodizing. For the back powder coating also works.Just in case you can do aluminum casting attached please find a drawing of the 306 part we need -500pcs. If your pricing and quality will be satisfactory we will order more parts. I am sending you PDF files but original design was done in SolidWorks, so I can generate any type of file Show More