Samyoung Machinery Co., Ltd. is a world leading manufacturing company in the locomotive and marine diesel engine industry located in korea. We specialize in manufacturing  Pistons, Cylinder Head, Cylinder Liner, piston Rings, Connecting Rod, Valves, Piston Pin, Pinion Gear, Power Pack Assembly, Engine Block, Front-End Box, After-End Box, Diesel Engine Manufacturing, Engine Re-manufacturing, Robotic welding system, Etc. Available brands includes: EMD, ALCO, MTU, PIELSTICK, NIIGATA, MAN B&W, HIMSEN.

Over 30 years of experience and lots of accumulated knowledge in the industry enables Samyoung to have world highest productivity and price competitiveness, accompanied by high performance and environment friendliness. Samyoung's customers are all around the world including top-ranking international and domestic companies such as, Hyundai Heavy Industries Co., Ltd., STX Enpaco and KORAIL, Etc.

One of Samyoung's key characteristics is extensive vertical integration. Samyoung has all the major processes in house to manufacture diesel engine parts and engine assembly, for instance, design, analysis, casting, machining, assembly and quality control. This vertical integration is very rare in the diesel industry and gives Samyoung an easy access to accomplish performance improvement, environmental issues and lower price in a relative short period of time.