Yeochun NCC Co., Ltd. (YNCC), legally known as 여천NCC주식회사, is a leading South Korean naphtha cracking center (NCC) operator based in the Yeosu National Industrial Complex. Established in 1999 as a joint venture between DL Chemical and Hanwha Solutions, the company cracks naphtha to produce essential petrochemical feedstocks.
Its key products include ethylene (annual capacity around 2.29 million tons), propylene (1.29 million tons), butadiene, benzene, toluene, xylene, styrene monomer, mixed C4, MTBE, and iso-butene. These basic chemicals supply domestic and international markets, supporting downstream petrochemical manufacturing.
With multiple plants and approximately 961 employees, YNCC operates advanced, automated facilities. Amid industry challenges, it is involved in restructuring efforts, including potential mergers and capacity adjustments in Yeosu.
Also known as YEOCHUN NCC.
chemXplore tracks 1 project involving YNCC, of which one is active.
YNCC's role on them: EPC.
1 new construction.
Contractors and licensors are recorded on this project For subscribers
New facility adds ~7–8 Mt/y capacity, prepares for apatite handling for phosphorus and rare-earth plans, backed by SEK 6bn investment and due in 2028.
Targets >60% specialty by 2030; building a 500k t/yr compounding plant; creating hydrogen value chain—four fuel-cell plants (80MW) and 450‑bar H2 hub; expanding high-end copper foil and TMAH output.
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