We, Hankook Engineering co., ltd. (Korea Special Valve), have been well established for manufacturing nearly all kinds of valve, seat, valve cage & cyl&＃39; head, crown so on and reconditioned all types of marine engine for 15 years.Moreover we are very good relations with many professional factories which for marine spare parts here in Korea. Therefore we can supply high quality products at reasonable prices.If you are interested in Korea market, we will be a good partner for your business.