铜料如:日本三宝红铜 银铜 紫铜 杯士铜 铬铜 破铜 钨铜 合金铜 铜:ZCRSN3ZN8PB6 CUZN10P1 ZCUSN10PB5 ZCUSN10N2 ZUCUPB17SN4ZN4 ZCUPB30 C83800 C84500 C83600 C90700 C90500 C95700 C95800 C95200 CUSN12 CUAL10FE3 ZCUZN38 ZCUZN31AL2 ZCUZN40MN2 ZCUZN38 ZCUZN40PB2 CUZN33PB CUZN40PB C85500 Http://www. C86300 C86200 C86500 C86800 C85400 C85700 C87400 C87800 CUZN35AL5 CUZN37PB CUZN15SI4 CUBE2 CUBE1.7C17200 C17000 C15000 C18200 C18100