Wholesales auto-spareparts supply
Discount scheme :
Purchases in a month Your price 
below  10000 USD + 25%
10000-15000 + 6%
15000-25000 + 3%
25000-50000 0%    basic price without autorization
50000-100000 - 1%
100000-200000 - 2%
200000-500000 - 3%
above 500000 USD - 4%