1, Material:copper 2,Size:40*30*40(OD*ID*L) 3,widely used in screw compressors 4,good quality,competitive price 5,ISO9001 ce specification:Bronze Standard:ZCuSn5Pb5Zn5(C83600), ZCuSn10P1, ZCuSn10Zn2(C90500), ZCuSn7P0.2, ZCuSn6Zn6Pb3, ZCuA19Fe4(C61900), ZCuA19Fe4Ni4Mn2(C95800), ZcuA11OFe3Mn2, ZCuPb10Sn10(C93700),C93200(SAE660),C95400.Brass Standard:HPb59-1,H62, H68, HA177-2, HA166-6-3-2, HMn58-2, ...