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USAM ENGINEERING have been manufacturing Valve Rotator which is a
main product of Cylinder head parts for ship and plant’s auxiliary
engine, Chain Guide Bar for main engine, and precision parts as a

We are a supplier providing engine spares to ship’s engine makers in
Korea such as HHI, STX Shipbuilding, Doosan engine.
Since its foundation in 1999, we have gained competitiveness of
manufacturing ship’s engine spares through accumulated
experience, continuous research & development, localization of
engine spares.

We will continue our utmost efforts to be the trustworthy company in
regards to the quality, price and lead time through constant technical
development aiming for customer’s satisfaction.
Thank you.