2.Treatment: Phosphated, Nitrided, Chrome plated. 3.ISO9002, QS9000, T16949 Isuzu Piston Ring Remark: 1)For European& American, Korean & Japanese etc. ... /CATERPILLAR, CUMMINS, VOLVOJapanese car makes types:DAIHATSU, NISSAN, HINO, KOMATSU, ISUZU, MAZDA, MITSUBISHI, SUZUKI, TOYOTA, YANMARKorean car makes types:DAEWOO/DOOSAN ...