鍛造鉛黃銅棒 產品編號: C3771 C37700 CuZn40Pb2 品質證明書: ISO9001:2000 認證證書號:CN-0205Q12746R1M ISO14001:1996 認證證書號:CN-15-2005-346 產品簡要說明:鉛Pb