, . . (Motivation) . , . . , , . : 100% (AA Grade) (US export quality) : 6mm: 2300 (6mm free) 8mm: 2700 (8mm free) 10mm: 3100 (8mm free) 12mm: 3600 (8mm free) 14mm: 4100 (8mm free) 16mm: 4800 (8mm free) (Delivery): 200 6mm 8mm ! 10mm 12mm 14mm 16mm 6mm 8mm ! (AA Grade) . ( ) :: 2 . ( ) . (AA grade) (B grade) . ! . : 1. 2. ( ) 3. ( 2 ) 4. 100% ' ' ! : 1-4 : (COD), (Bank transfer),