SEOSAN Corp. engages in the manufacture and sale of concrete products. It operates through the Concrete Product Manufacturing and Energy Solutions business divisions. The Concrete Product Manufacturing business division is involved in the ready-mix concrete, electric power poles, communication poles, high-strength piles, and fume pipes. The Energy Solutions business division refers to electric vehicle chargers. The company was founded on February 16, 1974 and is headquartered in Gwangju, South Korea.