“Confirmed competitiveness of high-pressure pump for LNG fuel supply” HD High-pressure pump for liquefied natural gas (LNG) fuel supply developed by Korea Shipbuilding & Marine Engineering. Provided by HD Korea Shipbuilding & Marine Engineering HD Korea Shipbuilding & Marine Engineering, in cooperation with domestic small and medium-sized companies, succeeded in localizing core equipment for liquefied natural gas (LNG) propulsion ships. HD Korea Shipbuilding & Marine Engineering recently held a final performance verification and type approval certificate award ceremony for a high-pressure pump for supplying LNG fuel in Jinhae, Gyeongsangnam-do.