C10200 Brass + Cu-ye
C10200 + TU1 + Copper + Gold Plating
C10200 + TU2 + Copper + Gold Plating
C11000 + ndarira + cu-etp
Copper C35600 + Cuzn34PB2
Copper + C28000 + Cuzn40
Copper + c28000
C10200 + TU2 + Copper