We are a machine shop in the USA and we make custom motorcycle wheels. We are needing a supplier from China to supply us with forged aluminum wheel blanks.  Technical Information:  Centered, no offset  Web thickness 0.750".010/.020  Center Bore 2.550".010/0.000  6061-T6 Aluminum  Sizes needed:  16 x 3.5 18 x 4.25 19 x 3  16 x 5.5 18 x 5.5 20 x 7  17 x 3.5 18 x 8.5 20 x 10  17 x 6.25 18 x 10 21 x 2.15  17 x 12 18 x 10.5 21 x 3.25  18 x 3.5 18 x 13 23 x 3.75  19 x 2.15  If you have these available please send me a quote.