... , CNG auto engine models and motorcycles.trusted material of engine valve for Structural Steel, such as 40Cr / Martensitic Steel, such as ... ,ISUZU, KOMATSU, MAZDA, MITSUBISHI, NISSAN, SUZUKI, TOYOTA, YANMAR,...KOREA series---DAEWOO, HYNDAI,...EUROPE series---BENZ, B.M.W, DEUTZ, FIAT, PERKINS ... basis of equality and mutual benefit in the near future. DAEWOO CIELO ENGINE VALVE