... and many countries. We have passed ISO 9001 and TS16949Engine valve kind is complete ,the quality is frist-class, the price ... VALVE IS SUH3(4Cr9Si2).Engine valves are suitable for TOYOTA,AUDI,BESFORD,BMW,CATERILLAR,CUMMINS,DAF,DAIHATSU,DAEWOO,FORD,FIAT,HILLMAN,HINO ... ,VOLVO,VOLKSWAGEN AND SO ON.We have all kinds of valve techniques, entire material valves, double mttal friction welding , small ...