... 2. ISO 9001-2000 3. Quality casting and machining parts. 4. OEM & ODM welcomed. Valve Seat Ring1. Engine ... size for different bran engine. Cummins, Hino, Mitsubishi, Yamaha, Benz, Deutz, Komatsu, Caterpillar, Perkins, Volvo, Kia, Fiat, Chrysler, Ford, Chevrolet, ... .2. Precision machining provided.3. Over 15years experiences in OEM parts.4. Competitive price . (All casting & machining work finished by ...