DS Dansuk Co., Ltd. engages in the resource recycling business. It operates through the following divisions: Bioenergy, Battery Recycling, and Plastic Recycling. The Bioenergy division offers biodiesel, bio heavy oil, and bio marine oil. The Battery Recycling division handles recycling of automobile batteries and also provides alloy lead. The Plastic Recycling division provides polyvinyl chloride (PVC) stabilizer. The company was founded in 1965 and is headquartered in Siheung-si, South Korea.