Samyang Chemical Corporation was established at Busna in 1972 and moved the plant to Shiwha in 1994. We proudly thrives as the only Korean manufacturer of Pentaerythritol and Hexamine based on the biggest Formaldehyde manufacturing facility in Korea. Samyang Chemical Corporation tried their best to improve the quality of Pentaerythritol and finally succeeded in the improvement of production technology in 1991. Based on the improved technology, Shiwa Plant commenced the production of 95%, 98% and 99.5% Pentaerythritol in 1994. Samyang Chemical Corporation is now producing fine chemicals and raw material for explosive polywood, printed circuit boards and paints.