... Phosphated, Nitrided etc. 3.ISO9002,QS9000,TS16949 Piston Ringpiston ring for Isuzu 4JB1:1.piston ring material :nodular iron, cast ... W04C, W06D, EH100, H06CT, H06C, EH500, DS50, DS60, DS80, EH700, H07C,EH700-T1, H07D, H07CT, J07C, J08C, P10C-T1, EB400, EP100, P09C ... quality and low price2)Honest service3)OEM service was offered4)For Middle East(European& American, Korean & Japanese etc5)Fast delivery ...