C10200 ubhedu+Cu-OF
C10200+TU1+COPPER+Iplating yeGolide
C10200+TU2+COPPER+Iplating yeGolide
C11000+brass+Cu-ETP
ubhedu C35600+CuZn34Pb2
ubhedu+C28000 +CuZn40
ubhedu+C28000
C10200+TU2+COPPER