NK Co., Ltd. operates in the global market, providing specialized products for high-pressure gas containment. The company supplies a range of items for shipbuilding, including various structural components, alongside advanced marine fire suppression systems and environmental ballast water treatment solutions. Additionally, it manufactures aluminum and steel helidecks, fuel LNG storage tanks, and offers retesting for jumbo cylinders. NK is also involved in the engineering, production, and construction of both onshore and offshore industrial plant infrastructure. Furthermore, its portfolio extends to include tube trailers, cryogenic storage units, diverse gas- and water-based extinguishing apparatus, and comprehensive gas delivery setups. Established in 1980, the firm maintains its headquarters in Busan, South Korea.