Dong-A S Tech Co., Ltd. As a World Best company in road safety facilities industry, performed research activities with industries, academy and institutes based on our know-how for more than twenty years to provide a safer road environment for road users through our development of thrie-beam, Dual Strength DS Guardrail and Shock-proof Reinforced Steel Bridge Rails which always satisfied the appraisal standards of Ministry of Construction and Transportation July 2001 actual vehicle crash tests.

Also we have possessing more than 120 kinds of industrial property rights including civil structures of steel, Eco-friendly wooden retaining walls and steel fish reef as well as construction materials of Easy deck and continuously invested research and development to sharpen our competitive edges toward the global market.