DS DANSUK CO., LTD. operates in the bioenergy, battery, and plastic recycling businesses in South Korea. It develops recycled products including bio heavy oil, bio marine fuel, PVC multiple stabilizer, basic lead stabilizer, metallic soap material, layered double hydrotalcite, base materials and additives, and lead and lead alloy products. The company was founded in 1965 and is headquartered in Siheung-si, South Korea.