... 2,widely used in auto parts 3,good quality,competitive price 4,ISO9001 certificate specification:Bronze Standard:ZCuSn5Pb5Zn5(C83600), ZCuSn10P1, ZCuSn10Zn2 ... , ZCuA19Fe4(C61900), ZCuA19Fe4Ni4Mn2(C95800), ZcuA11OFe3Mn2, ZCuPb10Sn10(C93700),C93200(SAE660),C95400.Brass Standard:HPb59-1,H62, H68, HA177-2, HA166-6-3 ... for survivle and development on the basis of quality copper rod sleeve