DongSung Finetec

DongSung Finetec makes ultra-low-temperature insulation materials used to keep liquefied natural gas and other cryogenic gases cold inside the cargo tanks and fuel tanks of gas-carrier ships, as well as polyurethane foam and chemical systems used in construction materials and home appliances.

It also imports and distributes fluorine-based refrigerant gases to industrial customers. Listed on KOSDAQ, Korea's tech and small-cap board, the company operates as a business-to-business intermediate-materials supplier, and the vast majority of its revenue comes from its cryogenic insulation division, which serves domestic and international shipbuilders.