C10200 ọla+Cu-OF
C10200+TU1+COPPER+Golden plating
C10200+TU2+COPPER+Gold plating
C11000+brass+Cu-ETP
ọla kọpa C35600+CuZn34Pb2
ọla kọpa + C28000 + CuZn40
ọla kọpa + C28000
C10200+TU2+COPPER