Koyagi Plant is the largest of the Works and was completed in 1972. The shipyard plant uses production methods that take full advantage of the 1,000 meters building dock for optimal manufacturing of LNG and LPG carriers.more

HJSC is the oldest shipbuilder in Korea and has a long history of building innovative vessels, including the first membrane-type LNG carrier constructed in Asia. Design facilities HJSC has established full design facilities, which enable the company to take a design from concept to completion, utilising both physical and computational models. Construction facilities HJSC’s Busan facility has a maximum annual capacity of 900K DWT. The maximum size of vessel that can be built is limited by the dry dock's 150K DWT capacity. HJSC’s facility at Yeongdo (Busan) is currently building naval ships but is also gearing up for some commercial export vessels.more