供应优质环保C18700铜板C18700铜棒C18700铜管C18700铜线C18700铜带
日本铜合***号：C7451 C7521 C7541 C1700 C1720 C5210 C7701 C1011 YBSC1 YBSC2 YBSC3 SzBC1 SzBC2 SzBC3
英国铜合***号：C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 CZ101 CZ102 CZ103 CZ104 CZ105 CZ106 CZ107 CZ108 CZ109 CZ110 CZ111 CZ112 CZ113 CZ114
美国铜合***号：C10100 C10200 C10300 C10400 C10500 C10700 C10800 C11000 C11020 C11030 C11100 C11300 C11400 C11500 C11600 C11700 C12000 C12100 C12200