Development Advance Solution Co., Ltd. engages in the manufacture and installation of road safety facilities. It operates through the following business divisions: Construction Material and SOC. The Construction Material business division offers materials for construction such as steel deck, plywood dislodge, steel strip type deck, hard urethane insulation material and others. The SOC business division offers road safety and civil engineering facilities including general guardrail, high specification guardrail, steel barriers for bridges, soundproof walls. The company was founded on January 26, 1996 and is headquartered in Hwasun-gun, South Korea.